Question

What are some common mistakes with using proportions to solve problems?

Answer 1

A common mistake is that they don’t set up the proportion properly and they don’t equal

Answer 2

A common mistake that students make when they cross-multiply is that they forget about the equals sign and write the two parts as a new fraction. Make sure to always put the equals sign in between the two cross-products. If you're solving an equation and your equals sign has disappeared, you have a problem!

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