Question

Alice needs to waterproof her house back deck which is 18 feet by 5 feet the waterproof coating costs $6 for a can that covers 30 square feet how much will the project cost her total

Answer 1

$18

Explanation:

back deck = 18 ft. x 5 ft.

water proofing cost = $6 per can

1 can covers = 30 sq. ft.

find:

how much will the project cost her total

number of cans required = area covered = 18 x 5 = 3 cans

area covered per can 30

therefore,

the project will cost

3 cans x $6 per can = $18