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PLEASE HELP ASAP FIRST TO ANSWER CORRECTLY GETS BRAINLYIST (question in the pic)

A. $256.50
B. $346.50
C. $436.50
D. $558.50

PLEASE HELP ASAP FIRST TO ANSWER CORRECTLY GETS BRAINLYIST question in the pic A 25650 B 34650 C 43650 D 55850 class=

Respuesta :

Answer:

$346.50.

Step-by-step explanation:

Imagine that the 9*9 square on the left is a part of the floor then:

The area = area of a trapezium - 9^2.

So the area of the dining area = 1/2 * (31 + 21) * 12 - 9^2

= 231 ft^2.

So they should plan to spend 231 * 1.5 = $346.50.

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