1. Choose the number (X) that should come next in this series (1 4 9 16 X).
2. How many square meters are there in a floor that is 9 meters long by 12 meters wide?
3. Three friends start a business and decide to split the profits equally. Jim invests $2,000, Mary invests $3,000, and Sally invests $5,000. If the profits are $3,000, how much of the profits would Sally receive if the profits were divided proportional to how much each friend invested?
4. A car originally costs $20,000. Its price went up by 20% and then by another $8,000. How much did the price go up as a percentage of the original price?
5. An electrician has 350 clients. If the electrician can see 5 clients per day; how many days will it take for him to see 30% of his clients?
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