Please help! It's hard.. at least for me. XD
2 answers:
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Answer:
The length is 15 yards
Step-by-step explanation:
Given
Represent the width with W and length with L: So
Required
Determine the length of the rectangle:
Area is calculated as thus:
Substitute 3W - 12 for L and 135 for Area
Reorder:
Divide through by 3
Expand:
or
or
But width can't be negative
So:
Recall that:
<em>Hence, the length 15 yards</em>