Question

HOME IMPROVEMENT Percy is building a deck behind his house. He measures the location for his deck and rounds to the nearest tenth of afoot. If lumber costs $11.99 per square foot, then what is the possible range for the cost of the lumber needed to build the deck?

The cost would be at least _____, but less than _____

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Answer 1

The cost would be at least $755.1302 to build the deck.

The deck is in the shape of a rectangle. Therefore,

Area of rectangle

• area = lw

where

l = length

w = width

length = 9.4 ft

width = 6.7 ft

area = 9.4 × 6.7 = 62.98 ft²

Therefore,

1 ft² of lumber = $11.99

62.98 ft² of lumber = ?

cross multiply

cost = 62.98 × 11.99 = $755.1302

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