Question

marlo uses 252 lb of gravel to cover a garden plot of 36 ft². how many pounds of gravel does it take to cover one square foot? how large an area could be covered with 315 lb of gravel? ft²

Explanation:

Step1: Find lb per sq ft

$\frac{252}{36} = 7$

Step2: Answer first question

The value from Step1 is the pounds per square foot.

Step3: Calculate area for 315 lb

$\frac{315}{7} = 45$

Answer:

1. 7 pounds
2. $45$ ft²