Question
PSLE
There are 30 wafers in a box. 21 of them are pistachio wafers while the rest are cashew ones. What is the ratio of the number of cashew wafers to that of pistachio wafers in the box?
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PSLE
There are 30 wafers in a box. 21 of them are pistachio wafers while the rest are cashew ones. What is the ratio of the number of cashew wafers to that of pistachio wafers in the box?