A particular type of TV is being sold for $1,200 cash or for $500 down with 24 monthly payments. Find the amount of the monthly payment if the plan results in charges of at least $1,484 over the life of the
contract. Find the amount of interest paid if the monthly payment plan is chosen

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have