Answered

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The length of rectangular picture is 3 times as long as the width. If the area of the picture is 147 square inches, find the length and width of the picture.

Sagot :

Aewright8383

Answer:

l= 21 w=7

Step-by-step explanation:

l=3w

147=(3w)×w

147=3w^2

49=w^2

7=w

so now we have w=7. Plug that in to find l...

l=3w

l=3×7

l=21

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