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TEA [102]
3 years ago
15

42) According to the 2000 Census the population of Canton was 7,720. Holly Spring's population was 3,200. Canton's population in

creases at a rate of 80 people a year and Holly Spring's population increases by 120 people a year. Which equation may be used to determine the number of years before the populations are equal?
Mathematics
1 answer:
Fiesta28 [93]3 years ago
3 0
Let's construct an equation for Canton's population increase as 7220+80n and Holly Spring's population increase with 3200+120n, where n is the number of years. We have to set these equations to each other in order to find when the population of these two places are equal. 3200+120n=7220+80n and n=100.5. After 100 and half years
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