The unit rate for 14 pounds for $2.99

Step-by-step explanation:

First, you divide the numerator and the denominator by 14. (Your fraction is 14 over $2.99.

Once you have that number, you need to simplify.

You get the number 1 over 0.2125 which can be rounded to 0.21. That being said, the unit rate would be be 1 : 0.21.

Hope this helps!

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: