Answer:
12children (wow)
Explanation:
1/4 is equal to 4/16 thats how much cake was left so she gave away 12 piecs (3/4 of the cake or 12/16)
16-4 = 12
12 children
1/4 of 16 is 4. 16 subtract the 4 slices she sold is 12 slices of cake for each of her children.
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