Posted by **Anonymous** on Tuesday, October 30, 2012 at 4:41pm.

Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?

- 8th Grade Math -
**Ms. Sue**, Tuesday, October 30, 2012 at 4:58pm
These were the answer choices you posted last week.

1 foot

2 feet

3 feet

4 feet

Your problem has a major error in it.

First this blanket would large enough to cover a large bedroom -- about 10 by 17 feet.

Looking at your answer choices:

2 feet squared = 4 square feet

4 * 30 = 120 sq. ft.

3 feet squared = 9 square feet

9 * 30 = 270 square feet

4 feet squared = 16 sq. ft.

16 * 30 = 480 sq. ft.

As you can see, none of the answers comes close.

Please check with your teacher about this problem.

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