Beyonce' has a rectangular flower garden that is 45 feet long and 15 feet wide. One truck load of mulch can cover 45 square feet. How many truckloads of mulch will she need to cover the entire garden?

Answer: 15

Explanation:

Length of garden = 45 feet

Width of garden = 15 feet

One truckload covers 45 square feet

How may truck load will cover the entire garden.

Area of rectangle = Length * width

Area of rectangular garden = 45 * 15

Area of rectangular garden = 675 square feet

1 truckload of mulch = 45 square feet

y = 675 square feet

45y = 675

y = 675 : 45

y = 15 truck loads of mulch

15 truckloads of mulch will cover the entire garden