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nika2105 [10]
2 years ago
9

the perimeter of a rectangle is 70 cm . if the ratio of the width to the length is 2:5 what is the width ?

Mathematics
2 answers:
Fantom [35]2 years ago
7 0
Above is right thinkso



Thanks
denpristay [2]2 years ago
5 0

Answer:

width = 10 cm

Step-by-step explanation:

the ratio of width to length is 2 : 5 = 2x : 5x ( x is a multiplier )

the perimeter (P) of a rectangle is calculated as

P = 2 × width + 2 × length

given P = 70 then

2(2x) + 2(5x) = 70

4x + 10x = 70

14x = 70 ( divide both sides by 14 )

x = 5

Then

width = 2x = 2 × 5 = 10 cm and length = 5x = 5 × 5 = 25 cm

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