Saba
Most popular questions and responses by Saba
Math
There are 42 pupils in a class. 3/4 of the boys and 2/3 of the girls travel to school by bus. The total number of boys and girls who travel to school by bus is 30. (a) How many boys are there in the class? (b) How many girls travel to school by bus?
asked on September 3, 2016 
Math
A sum of money is shared among three brothers. The eldest receives 7/13 of it and the 13 next receives 2/3 of the remainder. If the youngest brother receives $6, find the sum of money shared.
asked on September 3, 2016 
Math
James uses 1/3 of his land for growing durians, 1/4 for bananas, 3/8 for guavas and the remaining 9 hectares for mangoes. What is the total area of his land?
asked on September 3, 2016 
physics
at a ball game consider a baseball of mass m=0.15 that falls directly downward at a speed v=40m/s into the hands of a fan. what impulseft must be supplied to bring the ball to rest? if the ball is stopped in 0.3s, what is the average force of the ball on
asked on October 15, 2009 
math
There are 54 paintings in the National Museum. The ratio of the number of sculptures to the number of paintings in the museum is 7:9. (a) Express the number od sculptures as a fraction of the number of paintings. (b) How many sculptures are there in the
asked on April 10, 2016 
math
There are 1500 poultry on a farm. 40% are chickens, 2/3 of the ramainder are ducks and the rest are geese. What percentage of the poultry are geese?
asked on April 10, 2016 
math
To make muffins, Mrs Chan mixed 3 cups of flour with every cup of milk. (a) What is the ratio of the number of cups of flour to the total number of cups of flour and milk? (b) What proportion of the mixtures is milk? (c) If Mrs Chan used a total of 20 cups
asked on April 10, 2016 
math
A rice cooker was sold for $60 after a discount of 60%. What was the price of the rice cooker?
asked on April 10, 2016 
physics
at a ball game consider a baseball of mass m=0.15 that falls directly downward at a speed v=40m/s into the hands of a fan. what impulseft must be supplied to bring the ball to rest? if the ball is stopped in 0.3s, what is the average force of the ball on
asked on October 15, 2009 
Math
Smith has $360. He spend 1/9 of his money first, then spends another 2/9 of the original amount. How much money does Smith have left?
asked on June 13, 2017 
math
A school library had 1050 books last year. There are only 950 books in the library this year. What is the percentage decrease in the number of books? Round your answer to 2 decimal places.
asked on April 10, 2016 
statistics
the mean marks obtained by a group of 100 students was found to 49.46.THE mean marks obtained in the same examination by another group of 200 students was 52.32. Find the mean marks obtained by the both groups of students tken together.
asked on August 9, 2011 
science
solve for the amount of force exerted on an 8kg ball rolling at 2m/s when it bumps into a pillow and stops in 0.5s. how mush force does the pillow exert on the ball?
asked on October 15, 2009 
Math
The number of boys in a class is 10 less than twice the number of girls. Find the total number of the students in the class, if the number of boys is 5 more than the number of girls.
asked on June 13, 2017 
math
In an English test, Alvin scored 28 out of 40 marks. In a Mathematics test, he scored 36 out of 60 marks. (a) In which test did Alvin score better? (b) What was the percentage difference between Alvin's scores for both tests?
asked on April 10, 2016 
Math
3/5 of the animals on a form are goats and the rest are sheep. Find the number of goats if there are 32 sheep on the farm.
asked on June 13, 2017 
Math
The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?
asked on September 3, 2016 
Math
As part of the 'Learning Journey' program, 73 pupils travelled on two buses, one airconditioned and one nonairconditioned, to the Singapore Discovery Centre. Threefifths of the pupils on the airconditioned has wee girls. There were 17 boys in the
asked on September 3, 2016 
math
There are some peanuts and almonds in a packet. The proportion of peanuts is 2/3 of the total number of nuts in he packet. (a) What proportion of nuts in the packet are almonds? (b) What is the ratio of the number of almonds in the packet to the total
asked on April 10, 2016 
math
A carterer makes 50 l of lemonade. She keeps 10% of the lamonade for her family. She sells 65% of the remaining lenonade. How many liters of lemonade does the carterer have left?
asked on April 10, 2016 
Math
3/4 of a group of tourists is twenty one people. 4/7 of the whole tourist group go to restaurant for lunch. How many people go to the restaurant?
asked on June 13, 2017 
Math
On a salmon farm, pool A contains 310 salmon and a second pool B contains 90 salmon. The number of salmon in pool A is decreasing by 15 salmon per month. The number of salmon in pool B is increasing by 15 salmon per month. After how many months will there
asked on June 13, 2017 
Math
John walks three times as far as Smith, and Wilson walks twice as far as John.Find the distance that John walks, if the three friends walk 4500m in total.
asked on June 13, 2017 
Math
Amira and Malika are counting their school books. Amira has four times 7 less than the number of Malik's books. If Amira has 29 books how many books does Malika have?
asked on June 13, 2017 
Math
Mary bought a length of ribbon. She used 2/5 of it to wrap a package and 1/5 of it for a bow. If she used 60 in. of the ribbon, what was the length of the ribbon she bought?
asked on January 29, 2017 
Math
Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally,
asked on September 3, 2016 
math
There were 60 basketball players in the school team last year. This number of basketball players increases to 80. What is the percentage in the number of basketball players?
asked on April 10, 2016 
marketing
what types of sales promotion techniques would you recommend for the following business and why ? BMW dealership
asked on February 9, 2010 
10th maths
Find a possible pair of natural numbers whose sun is 77 and their g.c.d.is 7?
asked on December 22, 2017 
Math
Nadia and Manar together have 140 walnuts. If Nadia gives fifteen walnuts to Manar then they will each have an equal number of walnuts. How many walnuts does Manar have at the beginning?
asked on June 13, 2017 
Math
A group of 45 people decide to rent a bus for a trip. They divide the cost equally. When five of the people decide not to go on the trip the rest of the people pay $10 more each. How much does the bus cost?
asked on June 13, 2017 
Math
A barber and his apprentice earn $4900 in a week. The barber earns $200 more per day than his apprentice. How much does the apprentice earn in one day?
asked on June 13, 2017 
algebra
write the equation of the line in slope intercept form that goes through the given point and is parallel (4,7),y=1/2x
asked on January 11, 2011 
science
solve for the amount of force exerted on an 8kg b
asked on October 15, 2009 
math
6^2x + 1 = 1 3
asked on February 25, 2009

math
1:30
posted on July 18, 2018 
maths
a+b=77 n1+n2=77 77/7=11 Where n1,n2are natural numbers So the pair of naturals are (7,70)(14,63)(21,56)(28,49) ...so on.
posted on December 23, 2017 
Statistics
.o 9898
posted on May 23, 2017 
Chem
CV
posted on April 22, 2016 
Algebra
First simplify! 3*2  2x + 1 = 2x + 7 and 2*2 + 7x + 5 = 7x + 9 NOW, you have the equation (7x + 9)  (7  2x) because the first is subtracted FROM the second in the original question. to solve, DISTRIBUTE YOUR NEGATIVE SIGN! It will become 7x + 9  7 +
posted on February 10, 2016 
Algebra
Your second assumption is correct, but it would be 1248 because 0.4 of a tile requires an extra tile. Basically, you found the total area and divided it by the area of one tile, which indeed did give you the number of tiles necessary to fill it up. And
posted on February 10, 2016 
statistics
51.37
posted on August 9, 2011