simone race 280 kilometers from perry to medford and the idled back. If the round trip took 7 hours, what was simone's average speed in kilmeters per hour?

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

36

step-by-step explanation:

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

answer: idk wbu

step-by-step explanation: umm..