Saturday
July 26, 2014

Posts by Zayn


Total # Posts: 22

Maths Percentage
After spending 30% of his money, John had $140 left. How much did he have at first. Siti and Ali saved $4500. Ali and Jim saved $2950. Siti saved thrice as much as Jim. How much did Ali save? At a concert, there were 15 more children than adults. Each child paid $5 each and ea...

Maths
Machine X can pack 3 crates of bottles and Machine Y can pack 4 crates of bottles within the same time. In half an hour, Machine X packs 24 crates. How many crates can 12 Machine Y s pack in 1 hour?

Maths
Su Mei bought 3 apples for $2n. How much did she have to pay for 18 apples?

math i don't get it
I don't get it

Maths
Thanks

Maths
CORRECTION. The selling price of a pencil box was $4. Chee Keong bought the pencil box and paid $4.28 including GST. What percentage of the selling price was the GST?

Maths
Rahyu spent 2h 25 min in a library. She spent 30 min of the time reading newspapers. What percentage of her time in the library was spent reading newspapers? Round off your answer to the nearest whole number.

Maths
Mr Srinivasan invests $55 000 in a fixed deposit account. The interest rate is 3.3 % per year. How much money will he have in the account after 1 year?

Maths
lol sorry :/

Maths
The selling price of a pencil box was $4. Chee Keong bought the pencil box and paid $4.28 including GST. What percentage of milk was left?

Maths
A jug contained 780 ml of mil. Mrs Li poured 221 ml of the milk into a glass and 130 ml into a cup. What percentage of milk was left in the jug?

Maths
Evelyn has a ribbon 420 cm long. She uses 216 cm to decorate a present., What percentage of ribbon is left> Express your answer correct to 1 decimal place.

Maths
A sum of money is shared between Alice, Gayah and Sita in the ratio 3:2:4. If Gayah receives $4287.50, how much money do Alice and Sita receive altogether?

Maths
There were 3 glasses containing the same volume of liquid. Mr Lee poured 210 ml of the liquid from Glass A into Glass C, and 150 ml of the liquid from Glass B into Glass C. In the end, the ratio of the volume of liquid in Glass A to the volume of liquid in Glass B was 3:8. A.)...

Maths
Tina and Gopal had some stickers in the ratio 2:3. Gopal gave half of his stickers away and the ratio became 4:3. If Gopal had given away 21 stickers, how many stickers did each person have at first?

Maths
The ratio of the number of coins Azam had to the number of coins Eddie had was 3:7. Eddie gave 42 coins to Azam and they ended up having the same number of coins. How many coins did each person have at first?

Maths
The ratio of the amount of money Karen had to the amount of money Peter had was 2:5. Peter received $75 from his mother, the ratio became 4:15. How much money did each person have at first?

Maths
Sam used cement and sand to prepare a mixture. The ratio of the number of pails of cement used to the number of pails of sand used was 1:2. Sam then added 8 more pails of cement and the ratio became 5:2. A.) How many pails of cement was used at first? B.) How many pails of san...

Maths
The ratio of the volume of water in Jug A to the volume of water in Jug B is 2:5. A.) If half of the water in Jug A is poured into Jug B, what is the new ratio of the volumes of water in Jug A to Jug B? B.) If half of the water in Jug B is poured into Jug A, what is the new ra...

Trigonometry
A standard doorway measures 6 feet 8 inches by 3 feet. What is the largest dimension that will fit through the doorway without bending?

maths, economics, game theory
1. What is a degenerate game? 2. Is the following game degenerate or not, justify. 3. Find all nash equilibria in the game in pure or mixed strategies a b c d T 4,5 1,4 2,0 1,2 B 6,0 0,1 1,3 0,2

algebra with pizazz pg 40 riddle
8(4u-1)-12u=11(2u-6)

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