In 1980 a movie ticket cost $2.50. Now a movie ticket costs about $10. What is the percent change? Percent increase or decrease?
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An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

9/10 divide by -3/15 as a mixed number