The sum of money is shared between kelly and john in the ration of 5:7. If kelly gets $42 less than John, wat was the sum of money shared?
Kelly==K, John==J
K / J ==5 / 7.........................(1)
K ==J - 42.............................(2), solve for J, K
Use sustitution to get:
J ==$147 and K==$105
Total Money ==147 + 105 ==$252
