toniaroxy toniaroxy

02-11-2020
Mathematics

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the ratio of length to breath of a room is 7:5, find the length is the breath is 10cm

Respuesta :

amity5499 amity5499

02-11-2020

Answer:

let the length be x

here ratio=7:5

breadth = 10cm

length=?

now,

7/5=x/10

or,5×x=7×10

or,5x=70

or,x=70÷5

or x =14

so the length of room is 14 cm

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