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3 years ago

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

Mathematics

1 answer:

mamaluj [8]3 years ago

8 0

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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