Mike deposited $6.500 into a savings account 4 years ago. The simple interest rate is 3%. How much money did Mike earn in
interest?

Step-by-step explanation:

Given:

Use simple interest formula:

Step-by-step explanation:

We know that:

Work:

Hence, the interest mike earned is $780.

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

read more on -

step-by-step explanation:

if you was gonna solve for a, a is a   < -12