Question

The sum of two numbers is 45 and their ratio is 7:8 . find the first number *​

Answer 1

Answer:

Sum of two numbers =45

Let the ratios be (7x) and (8x)

7x+8x=45

15x=45

x=3

7x=7×3=21

8x=8×3=24

Answer 2

Answer:

Let the no. be x,

7x+ 8x=45

15x=45

Therefore,x=45/15=3

and 7x=7×3=21

8x=8×3=24.(answer)