Question

A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs X dollars per square yard. In terms of X, how many dollars will the carpeting cost ? (1 yard = 3 feet)

(A) 20x
(B) 28x
(C) 60x
(D) 180x
(E) 540x​

Answer 1

first multiply 18×10 feet for carpeting.

due to 1 yard = 3 feet

= 18×10×3

= 180×3

= 540

Hence, (E) 540x is the correct answer