Question

two numbers are in the ratio 9:4.if 7is added to each of the numbers, the ratio becomes 5:3 .find the numbers.​

Answer 1

Answer:

numers are 18 and 8

Step-by-step explanation:

x:y=9:4

4x=9y

x=9y/4......1

x+7/y+7=5/3

3(x+7)=5(y+7)

3x+21=5y+35

3x-5y=14

3*9y/4-5y=14

27y/4 -5y=14

27y-20y=14*4

7y=56

y=8

x=9*8/4

x=18