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.
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
Each board = 5 and 3/4 feet.
The 24 boards would be: 24 5 and 3/4
5 and 3/4 to mixed fraction = (54 +3)/4 = 23/4
The total length of the 24 boards = 24 23/4 = 236 = 138 feet.
The cost is $1.65 per foot.
138 feet = 138*1.65 = 227.70
Total cost =$227.70
Hope this helped.