Alice, Beth and Claire had 600 stamps altogether. After Beth had given 30 stamps to Alice, Beth had twice as many stamps as Claire and Alice had to 20 stamps more than Claire. How many stamps did Claire have?
Solution
4 units --> 600 - 20 = 580
1 unit --> 580 divided by 4 = 145
Answer: 145
Thursday, August 19, 2010
RGS Primary 2009 PSLE Math Prelim Paper 2 Q6
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