Question

Two numbers are in the ratio 5:7.If 2 is subtracted from each numbers,then the ratio becomes 7 : 10. find the numbers​

Answer 1

Answer:

30 and 42

Step-by-step explanation:

let the no. be 5x and 7x

ATQ

5x-2/7x-2=7/10

by cross multiplication

10(5x- 2) = 7(7x-2)

50x-20 = 49x-14

50x-49x = -14+20

x=6

first no.=5×6=30

second no.= 7×6= 42