SOLUTION: Lilly is doubling the dimensions of her flower garden. If it took three bags of mulch to cover her smaller garden last spring, how many bags will be needed to cover her enlarged

Algebra ->  Rectangles -> SOLUTION: Lilly is doubling the dimensions of her flower garden. If it took three bags of mulch to cover her smaller garden last spring, how many bags will be needed to cover her enlarged       Log On

Since she doubled the dimensions, the new area is 4 times as large as it was before.


Hence, Lilly needs 4 times as much mulch as last spring, i.e. 4*3 = 12 bags of mulch.


ANSWER.  12 bags of mulch.