Alex has $1.50 more money than Betty and three times as much money as Colin. The 3 of them have $9.70 altogether. How much does Colin have?
Solution
7 units - $1.50 ----- $9.70
7 units ----- $9.70 + $1.50 = $11.20
1 unit ----- $11.20 divided by 7 = $1.60
Answer: $1.60
Sunday, September 06, 2009
Anglo Chinese School 2007 PSLE Math Prelim Q41
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