SOLUTION: Find a new perimeter of a rectangle which has 10 inches for the width and the length is 4 less than 3 times the width.
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-> SOLUTION: Find a new perimeter of a rectangle which has 10 inches for the width and the length is 4 less than 3 times the width.
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Question 442328: Find a new perimeter of a rectangle which has 10 inches for the width and the length is 4 less than 3 times the width. Answer by swincher4391(1107) (Show Source):
You can put this solution on YOUR website! Recall that the formula for perimeter is .
In the problem it is stated that w = 10. And l is defined as 3w-4. Since w is 10, then l must be 3*10 -4 = 26.
We have:
Now it's time to plug and chug.
inches.
