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wolverine [178]
4 years ago
14

Martin uses 24 boards that are each 5 3/4 feet long to build a tree house. The wood costs $1.65 per foot. Find the total cost of

woods.
Mathematics
2 answers:
Basile [38]4 years ago
8 0
Each board = 5 and 3/4 feet.

The 24 boards would be:           24 *     5 and 3/4

5 and 3/4 to mixed fraction = (5*4 +3)/4 = 23/4

The total length of the 24 boards =  24 * 23/4 = 23*6 = 138 feet.

The cost is $1.65 per foot.

138 feet = 138*1.65 = 227.70

Total cost =$227.70

Hope this helped.
Elanso [62]4 years ago
7 0
Well, we know the amount per foot of wood $1.65. each piece is 5 3/4 (which is also 5.75) ft, so multiply these two number to see how much each piece costs.
1.65×5.75=9.4875
now to know how much total, we need to multiply by 24 (since we have 24 pieces)
9.4875×24=227.70
So, he spent $227.70 for the wood
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