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Primary 4 Problem Sums/Word Problems - Try FREE
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A music store had four times as many audio CD's as video CD's.
It then added another 50 video CD's to its existing stock.
Now, the number of video CD's became `3/4`of the number of audio CD's.
(a) How many video CD's did the store have in the end?
(b) How many CD's did the store have initially?
Notes to students:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12