SOLUTION: Please Help solve this thanks for you time S=4LW+2WH ; S=168, L=9, W=4.

Question 989496: Please Help solve this thanks for you time
S=4LW+2WH ; S=168, L=9, W=4.
Found 2 solutions by MathLover1, macston:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

given:

start with , substitute given values
....solve for

now we can check it:

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
What do you want to solve for?
.
S=4LW+2WH
S=2W(2L+H)
S/2W=2L+H
(S/2W)-2L=H Substitute values and solve.
.
(168/(2(4)))-2(9)=H
(168/8)-18=H
21-18=H
3=H
.
ANSWER: The height is 3 units.
.
Volume=LWH
Volume=(9)(4)(3)
Volume=108 cu units
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ANSWER: The volume is 108 cubic units.
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