# WRITING AND SOLVING PROPORTIONS WORKSHEET

Problem 1 :

If there are 3 cups of sugar in 24 cookies, how much sugar is there in 72 cookies? Write a proportion.

Solution

Problem 2 :

The word order in some problems requires special care. “A 20-pound turkey serves 28 people. How many people will a 30-pound turkey serve?

Solution

Problem 3 :

Write a proportion and solve. A biologist determined that there were 42 oak trees in a 5-acre forest. How many oak trees would be expected on 40 acres of identical habitat?

Solution

Problem 4 :

There are 6 cups of detergent in a bottle. If 1/3 cup is need for 1 load of laundry, how many loads can be cleaned with one bottle of detergent?

Solution

Problem 5 :

Write a proportion based on the following information: “The directions on a bottle of fuel additive call for pouring in 12 ounces of additive to each 16 gallons of fuel. How many gallons of fuel will 9 ounces treat?”

Solution

Problem 6 :

Susan baked 2 dozen cookies.  If the recipe  called for 3/4 cup of sugar, how much sugar would  she need to bake 4.5 dozen cookies?

Solution

Problem 7 :

Carol can type 660 words in 12 minutes.  How  many words can she type in 40 minutes?

Solution

Problem 8 :

Thirty six pencils are packed in three boxes.   How many pencils are packed in five boxes?

Solution

Problem 9 :

If it costs \$13.50 for 5 notebooks, how much will it  cost 8 notebooks?

Solution

Problem 10 :

Janet made 48 cookies. She used 1,104 chocolate chips for all of the cookies. How many chocolate chips were in each cookie?

Solution

Problem 11 :

There are 18,480 feet in 3.5 miles. How many feet are in one mile?

Solution

## Answer Key

1)  So, 9 cups of sugar will be there is 72 cookies

2)  So, 42 people can be served with 30 pounds of turkey.

3)  So, there will be 336 oak trees in 40 acres of land.

4)  So, number of laundry is 18.

5)  x = 12

6)  So, 1.68 cups of sugar is needed.

7)  So, 2200 words can be typed in 40 minutes.

8)  There will be 60 pencils in 5 boxes.

9)  So, cost of 8 note books is \$21.6

10) So, in one cookie, there will be 23 chocolate chips.

11)  x = 5280

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