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Kay [80]
3 years ago
5

Corey needs 24 boards that ate 47 1/ 2 inches long. How many feet of boards should he buy. Explain

Mathematics
1 answer:
Illusion [34]3 years ago
8 0
If each board is going to be 47 and 1/2 inches long, and there'll be 24 of them, then their total is just their product.

keep in mind that there are 12 inches in 1 foot.

\bf 24\cdot 47\frac{1}{2}\implies 24\cdot \cfrac{47\cdot 2+1}{2}\implies 24\cdot \cfrac{95}{2}\implies \cfrac{24}{1}\cdot \cfrac{95}{2}\implies \cfrac{2280}{2}
\\\\\\
\stackrel{inches}{1140}\implies 1140~\underline{in}\cdot \cfrac{ft}{12~\underline{in}}\implies \cfrac{1140~ft}{12}\implies 95~ft
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Restating the word problem:

lesser number + greater number = 38

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Solving:  3x + 5 = 38

                  - 5     -5

             ---------------

              3x      =  33

              ---          ---

               3            3

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Substitution for the greater number:

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