Math
posted by Danielle .
Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary?
Yi Chen made a $6,400 investment at the beginning of a year. By the end the year,the value of the investment had decreased by 8.2%. What was its value at the end of the year

Multiply $18,500 by 0.105 to find the amount of the raise. Add this raise to $18,500 to find the new salary.
In the second problem, multiply $6,400 by 0.082 to find how much it decreased. Then subtract.
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