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natali 33 [55]
3 years ago
5

You are updating your garage and the only thing left to paint is your garage door. You

Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0

Answer:

129 square foot

Step-by-step explanation:

<u>Step 1: Convert height of the door to inches</u>

Height of the door = 10 feet 8 inches

1 feet = 12 inches

10 feet = y inches

<em>Cross Multiply</em>

y = 120 inches

Height of door in inches = 120 + 8 =128 inches

<u>Step 2: Find the surface area of one side of the door</u>

Surface area = length x width

length = 128 inches

width = 145 inches

Surface area = 128 x 145

Surface area = 18560 inches

<u>Step 3: Convert surface area from inches to square foot</u>

Surface area = 18560 inches

1 square foot = 144 inches

         y           = 18560 inches

<em>Cross multiply</em>

144y = 18560

y = 18560/144

y = 128.89 rounded off to 129 square foot.

Therefore, you should report 129 square foot surface area to the hardware store.

!!

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