Asked by Ivan

The length of a rectangle is 3 cm less than 4 times its width. The perimeter is 74 cm. Find the length
Answered by Ms. Sue
P = 2L + 2W

74 = 2(4W - 3) + 2W

74 = 10W - 6

80 = 10W

8 = W
Answered by Ivan

Thank you Ms. Sue
I get the same answer. The problem is that teacher offer this answers:
a. 29 cm
b. 28 cm
c. 27 cm
d. 33 cm
What did we do wrong?
Answered by Ms. Sue
The length is one of your choices of answers. You know the width is 8. Now find the length of one side.
Answered by Jentus
I needed to know more about the solving of maths different problems of different unit topics
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