Question

Two numbers are in the ratio of 5:7 if the first number is 100 find the second number solve​

Answer 1

Answer:

5:7

let the numbers are 5x,7x

first number is 100

5x=100

x=20

second number is7x= 7×20=140

Answer 2

The answer is

tanke 5:7 as 5x:7x

then they gave 5x=100

x=20

proof:-

now

7×20=140

then

100:140=

10:14=5:7

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