A rectangular room that is 8 meters by 5 meters is to be carpeted using carpt costing $12.50 per spare meter. How much will the carpet cost?
A
$40
B
$500
C
$100
D
$480
Correct Answer: $500
area of rectangular room = 8*5 = 40 square meterSo, the carpet cost = 40×$12.50 = $500 (Ans)