Answer the questions concisely and accurately as if you are working with students.

1. A student is working with measurements and writes the following proportion. 121=560 How would you help her?

2. A student claims that if prices in a store can increase 120%, then a candidate should be able to receive 120% of the votes in an election. How do you reply?

3. A student argues that a p% increase followed by a q% decrease is the same as a q% decrease followed by a p% increase because of the commutative property of multiplication. How do you respond?