john earns 12$ for every 8$ that mark earns. how much does each earn if they earn 105$ together.

Question

john earns 12$ for every 8$ that mark earns. how much does each earn if they earn 105$ together.

Answer 1

J + M = 105

8J= 12M

2J =3M

2J+2M = 210

3M+2M = 210

5M = 210

M = $42

J=105-42 = $63

Mark earns $8 x 5 1/4 = $42

John earns $12 x 5 1/4 = $63