SOLUTION: the area of a rectangle is 350 cm2 if the width and the length are in a ratio of 7:2 find the dimensions

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Question 934260: the area of a rectangle is 350 cm2 if the width and the length are in a ratio of 7:2 find the dimensions
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=L%2AW=350
.
.
W%2FL=7%2F2
2W=7L
W=%287%2F2%29L
Substituting,
L%287%2F2%29L=350
L%5E2=700%2F7
L=10
Then,
W=%287%2F2%2910
W=35