Kennet's back yard is in the shape of a rectangle with a length of12 yards and a width of 10 yards. A bag of grass seed costs $25.99 and covers 400 square feet. How much will Kenneth spend on grass seed to cover his back yard?

1

Jawapan

2016-03-12T20:17:49+08:00
Note: Seen this question before this ;)

12 * 10 = 120 square yards
120 square yards = 1080 square feet
$25.99 * (1080 / 400) square feet =
$25.99 * 2.7 bags =
$70.17(3)

3 bags:
$25.99 * 3 bags = $77.97