Question

the sum of two numbers is 28 and their quitent is 3

Answer 1

x + y = 28

x/y = 3, x = 3y

Substitute:

3y + y = 28

4y = 28

y = 7

x = 21

Answer 2

X + y = 28

x/y=3,x=3y

substitute:

3 y + y=28

4 y =28

y=7

x=21