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How do you answer this question? (step by step)

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)