Question 722552
Let 'x' be the common factor for the 2 numbers whose ratio is 3:8

Therefore, the numbers are 3x and 8x respectively.

Sum of the numbers = 77

or 3x + 8x = 77 or 11x = 77 or x = 7

3x = 3 * 7 = 21
8x = 8 * 7 = 56

the numbers are 21 and 56