Question

A bag of grass seed weighs 7 pounds and covers 2800 square feet. If marks backyard is 6000 square feet, how many pounds of grass seed will he need?

Answer 1

15

Explanation:

Take x as how many pounds you need for the 6000 square feet

7 pounds x pounds

--------------- -----------------------

2800 square feet 6000 square feet

7*6000=42000

42000/2800=15

or you could find how many pounds you would need for 1 square feet.

7 pounds .0025 ponds

---------------- -----------------------

2800 square feet 1 square feet

and then you could just multiply .0025 and 6000

so
`.0025 * 6000` = 15