Posted by **Delilah** on Thursday, October 25, 2012 at 9:11pm.

1.

Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point)

6 over 9

18 over 27

2 over 3

three over two

2.

A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students? (1 point)

12:15

15:12

27:12

12:27

3.

The cost of your favorite lemonade is $3.84 for 3 gallons. Write this as a unit rate. (1 point)

$3.84 over 1 gallon

$1.28 over 1 gallon

1 gallon over $1.28

$1.45 over 1 gallon

4.

Caroline saves $45 in 4 months. At that rate, how long will it take her to save $180? (1 point)

11.25 months

16 months

4 months

15 months

5.

The Senate passed a bill by a ratio of 8 to 1. If 90 senators voted in all, how many voted for the bill? (1 point)

80

89

11.25

10

I know #1 is 2/3 and #2 is 12:27.

I need help on #3-5 because i have NO IDEA how to solve those please help thanks

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