Question

Set up and solve a proportion for the following application problem. If 55 pounds of grass seed cover 404 square​ feet, how many pounds are needed for 7272 square​ feet?

Answer 1

Answer: 990 lbs

Explanation:

Set up the proportion, then cross multiply and solve for the unknown value (pounds).

`(55\ lbs)/(404\ sq\ ft)=(x)/(7272\ sq\ ft)\\\\\\55\ lbs\cdot 7272\ sq\ ft=404\ sq\ ft\cdot x\\\\\\(55\ lbs\cdot 7272\ sq\ ft)/(404\ sq\ ft)=x\\\\\\990\ lbs=x`