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Find each percent change, and tell whether it is a percent increase or decrease. 7. From 20 to 28
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II. Find each percent change, and tell whether it is a percent increase or decrease. 10. A video game has a 70% markup. The wholesale cost is $9. How much is the markup, and what is the selling
Find the simple interest earned on an investment of $4,000 was $216. Find the interest rate.
A computer salesperson earns a base salary of $32,000 per year plus a commission of 6% on total sales. Total sales for one year were $350,000. Find the salespersons total pay for the year.
A survey at a local school showed that 38% of the students chose chocolate ice cream as their favorite ice cream. Eight hundred students took the survey. How many chose chocolate ice cream?