Question

In the formula, V = LWH, if L = 28, and W and H are equal, and V = 252, what is W?

Answer 1

`W=3\ units`

Explanation:

we have

`V=LWH` ----> equation A

`W=H` ---> equation B

substitute equation B in equation A

`V=LW(W)`

`V=LW^2` ----> equation C

we have

`V=252\ units^3\\L=28\ units`

substitute in the equation C

`252=(28)W^2`

solve for W

`W^2=252/(28)`

`W^2=9`

`W=3\ units`