Tao Nan School P5 SA2 2006 Math Q40

Joe had $68 more than Mark. Bobbi had thrice as much as Mark. On the average, each person had $56. How much money did Joe have?

Solution




* Average per person is $56. Total amount is -----
3 x $56 = $168

5 units ----- $168 - $68 = $100
1 unit ----- $100 divided by 5 = $20

(Joe) 1 unit + $68 ----- $20 + $68 = $88

Answer: Joe had $88