Q 1: Lisa bought her house for $150,000 and sold it for $180,000. What was the percent of increase? 10% 20% 2%

Q 2: During a particular month the sales for a store dropped from 200 to 170. What was the percent decrease. 10% 15% 20%

Q 3: Peter receives a salary raise from 25,000 to 37,500. Find the percent of increase. 10% 50% 5%

Q 4: The number of students in an elementary school increased from 600 to 750 in the last five years. Find the percent of increase. 30% 25% 15%

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