Can someone help me its confusing

A. In order for DeMarco to know if the value is a solution of the equation, he will need to multiply both sides by 2 which will make the equation 2×(1/2x)=(2)×*4)

B. Yes, x=8

55/i dont know i do it for the points

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: