Please double check me.
A community service organization has 19 men and 7 women in its memebership. Write the ratio of women to men.
a 19/7
b 7/19
c 19/26
d 7/26
answer: b
Write a proportion that is equivalent top the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32
a. 3 gal/14.32 = 8gal/5.37
b 3gal/5.37=8gal/14.32
c. 3gal/5.37=14.32/8gal
d. 3gal/8gal=14.32/5.37
answer: b
Write 50% as a fraction or mixed number
a. 27/50
b 13/25
c 1 1/2
d 1/2
answer: d
Write 891% as a decimal
a. 89.1
b 8.91
c 0.891
d 8,8910
answer: b
Write 3/8 as percent
a 37.5%
b 3.75%
c 375%
d 0.375%
answer: a
Write 5 1/2 as a percent
a 5.5%
b 55%
c 550%
d 5,550%
answer: c
Identify the rate in the following statement
540 is 90% of 600
a. 90%
b 540
c 600
answer: a
Find 60%of 3,200
a 192
b 1,920
c 1,280
d. 128
answer: b
765 is 85% of what number?
a 650.25
b 1,059
c 900
d 8,100
answer: c
A state sales tax is leived at a rate of 6%. How much tax would one pay on a purchase of $310?
a 186.00
b 1.86
c 1.94
d 18.60
answer: d
A saleswomen is working on a 6% commission base. if she wants to make $2400 in one month, how much msut she sell?
a 400,000
b 20,000
c 40,000
d 80,000
answer: c
Complete the following statement
8,000lb= tons
a 3
b 4
c 5
d 6
answer: b
Simplify
3h 70min
a 4h 30min
b 5h 10min
c 4h 10min
d 6h 20min
Answer: a
Choose the most reasonalbe measure.
the height of a bookshelf
a 12cm
b 12m
c 1.2m
answer: a
Complete the statement. Round to the nearest hundredth
11.5m= in
a 452.76
b 45.28
c 4,527.55
d 4.53
answer: a
You were doing fine until nesr the end. These two are wrong:
Simplify
3h 70min
a 4h 30min
b 5h 10min
c 4h 10min
d 6h 20min
Your Answer: a
Correct answer: c
Choose the most reasonalbe measure.
the height of a bookshelf
a 12cm
b 12m
c 1.2m
Your answer: a
Would you really want a bookshelf only 4.7 inches high? People would trip over it. You'd want one with a reachable high shelf. Try again
approximately 5 out of every 10 students at Kendra's college live on campus. The college has 5,000 students How many of them live on campus
To double check the answers:
1. The ratio of women to men in the community service organization is given as 7 women to 19 men. The correct answer is b) 7/19.
To check this, divide the number of women by the number of men:
7/19 = 0.3684 (rounded to four decimal places)
2. The proportion equivalent to the statement "If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32" is given as b) 3gal/5.37=8gal/14.32.
To check this, cross-multiply the fractions:
3gal * 14.32 = 5.37 * 8gal
42.96 = 42.96
The proportions are equal.
3. 50% as a fraction or mixed number is 1/2. The correct answer is d) 1/2.
To check this, convert 1/2 to a decimal by dividing 1 by 2:
1/2 = 0.5
4. 891% as a decimal is 8.91. The correct answer is b) 8.91.
To check this, convert 8.91 to a percentage by multiplying by 100:
8.91 * 100 = 891%
5. 3/8 as a percent is 37.5%. The correct answer is a) 37.5%.
To check this, divide 3 by 8 and multiply by 100:
3/8 * 100 = 37.5%
6. 5 1/2 as a percent is 550%. The correct answer is c) 550%.
To check this, convert 5 1/2 to a decimal by adding the whole number and fractional parts:
5 + 1/2 = 5.5
Convert 5.5 to a percentage by multiplying by 100:
5.5 * 100 = 550%
7. The rate in the statement "540 is 90% of 600" is 90%. The correct answer is a) 90%.
To check this, divide 540 by 600 and multiply by 100:
540/600 * 100 = 90%
8. 60% of 3,200 is 1,920. The correct answer is b) 1,920.
To check this, multiply 3,200 by 60% (or 0.60):
3,200 * 0.60 = 1,920
9. 765 is 85% of 900. The correct answer is c) 900.
To check this, divide 765 by 85% (or 0.85):
765/0.85 = 900
10. The tax on a purchase of $310 with a 6% sales tax rate is $18.60. The correct answer is d) 18.60.
To check this, multiply $310 by 6% (or 0.06):
$310 * 0.06 = $18.60
11. To earn $2400 on a 6% commission base, the saleswoman must sell $40,000 worth of products. The correct answer is c) 40,000.
To check this, divide $2400 by 6% (or 0.06):
$2400/0.06 = $40,000
12. To complete the statement "8,000lb = ___ tons", the correct answer is b) 4.
To check this, divide 8,000 by 2,000 (since there are 2,000 pounds in a ton):
8,000/2,000 = 4
13. To simplify "3h 70min", the correct answer is a) 4h 30min.
To check this, convert 70 minutes to 1 hour and 10 minutes:
3h 70min = 3h + 1h 10min = 4h 10min
14. The most reasonable measure for the height of a bookshelf is a) 12cm.
To check this, consider that bookshelves are typically measured in centimeters, not meters or kilometers.
15. To complete the statement "11.5m = ___ in", the correct answer is d) 4.53.
To check this, multiply 11.5 meters by the conversion factor of 39.37 inches per meter:
11.5 * 39.37 = 453.695
Round to the nearest hundredth: 4.53