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Fiesta28 [93]
3 years ago
9

The length of the box is 2 1/2 m, it is 1 9/16 times its width. What is the height of the box if its volume is 12 3/4 m3?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer:

3\frac{3}{16} meter

Step-by-step explanation:

We have to write first what is known from the information.

Let's say, length is L, width is W, and height is H

1. The length of the box is 2 1/2 m = 2,5 m = 5/2 m, it is 1 9/16 = 25/16 times it's width (L). So we have the equation :

L ≡ \frac{5}{2} = \frac{25}{16} W

Then we find the W. From the fraction above, we found W equals to \frac{8}{5} = 1,6 meter

2. What is the height of the box, if its volume is 12 3/4 m^3 = 51/4 m^3

Formula of a volume is :

The area wide times the height

In this problem, the equation is :

L × W × H = Volume

Insert the numbers,

\frac{5}{2} × \frac{8}{5} × H = \frac{51}{4}

From the fraction above, we can find that H equals to

3\frac{3}{16} meter

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