This blog is managed by Song Hock Chye, author of Improve Your Thinking Skills in Maths (P1-P3 series), which is published and distributed by EPH.

Monday, July 14, 2008

Henry Park Pri Sch 2007 PSLE Math Prelim Q36

Joseph has $m. Kenny has 3 times as much money as Joseph. Leo has half the amount of money Joseph and Kenny has altogether. How much money do the 3 boys have altogether?


Joseph ----- $m
Kenny ----- 3 x $m = $3m
Joseph and Kenny ----- $m + $3m = $4m
Leo ----- $4m divided by 2 = $2m

Total ----- $4m + $2m = $6m

Answer: They had $6m altogether.

No comments: