Question
There are 63 white balls and 21 green balls in a basket. 47 of the white balls are damaged. All the green balls are not damaged. How many more white balls than green balls are not damaged?
4 m

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There are 63 white balls and 21 green balls in a basket. 47 of the white balls are damaged. All the green balls are not damaged. How many more white balls than green balls are not damaged?