posted by shh .
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?
the area is a square so you know that all the side are the same. There are 30 square blocks so you can divide 30 into 170 to get your answer which you should get 5.6^2