The perimeter of a rectangle is 70cm. if its length is decreased by 5cm and its width is increased by 5cm, its area will increase by 50 cm^2. Find the length and the width of the original rectangle.

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asked May 23, 2022 168k views

19 votes

The perimeter of a rectangle is 70cm. if its length is decreased by 5cm and its width is increased by 5cm, its area will increase by 50 cm^2. Find the length and the width of the original rectangle.

Mathematics
high-school

Brub asked

by Brub

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2 Answers

5 votes

Answer:

width = 10

lenghth = 25

Explanation:

Stuartc answered May 25, 2022

by Stuartc

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3 votes

Answer:

l=25, w=10

Explanation:

2(25)+2(10)=70

25*10=250

25-5=20

10+5=15

20*15=300

Vrwim answered May 27, 2022

by Vrwim

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