Please double check me.

Question

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

Answer 1

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

Answer 2

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