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xz_007 [3.2K]
3 years ago
6

If c= 54$ when n is 9, what is the cost of the sandwich when n is 3

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0
That would be 18$, basically you're dividing n by three so you do the same with the outcome, so the cost is 18$
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A sandbox 12ft. By 14 ft. requires that the sand be spread to a depth of 6 in. How many cubic feet of sand are needed?
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Answer:

84 ft²

Step-by-step explanation:

Solve for Volume. Volume of a box is:

V = Length (base) x Width (base) x Height (of rectangular prism/square)

Change each measurement to have the same measurement (ft -> in, or vice versa).

Note that 1 ft = 12 in.

6 in = 1/2 ft, because 6/12 = 1/2

Length = 12 ft

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V = 12 x 14 x 1/2

Simplify. Solve.

V = 12 x (14 x 1/2)

V = 12 x (14/2)

V = 12 x 7

V = 84

84 ft² is your answer.

~

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