Question
There are 55 yellow balls and 24 pink balls in a basket. 411 of the yellow balls are defective. All the pink balls are not defective. How many more yellow balls than pink balls are not defective?
4 m

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There are 55 yellow balls and 24 pink balls in a basket. 411 of the yellow balls are defective. All the pink balls are not defective. How many more yellow balls than pink balls are not defective?