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The hole for a support needs to be 6 feet deep. It is currently 1 foot 8 inches deep. How much deeper must the hole​ be? Use pencil and paper. Show two ways to solve this problem. Use the conversion factor 12/1
.

Sagot :

duncansalmen

Answer:

52 inches deeper.

Step-by-step explanation:

One way you can solve this is by using subtraction.

1 foot = 12 inches and we already have 20 inches dug. The hole needs to be 72 inches deep so we just subtract 72 by 20 to find out how much more digging they need to do. They need to dig another 52 inches.

Another way to solve this, is by using subtraction and fractions.

They need to dig 6 feet and we already have [tex]1\frac{2}{3}[/tex] dug. Now you can subtract. They need to dig [tex]4\frac{1}{3}[/tex] feet to reach the required depth.

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