The ratio of cupcakes to donuts is
5:15
That can be simplified to:
1:3
Product: side x side
sum: side + side + side + side
1. distributive property
2. commutative property (the order of 8x and -24 is swapped)
3. reflexive property ((8-24) = -16; -16 is substituted for 8-24. I prefer "substitution property".)
4. commutative property (the order of 8x and -16 is swapped)
5. distributive property
Answer:
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