There were a total of 800 novels and non-fiction books at a book shop. 2/5 of these books were novels. each novel was priced at $7 and each non-fiction book was priced at $5. how much money would the book owner make if he sold 3/8 of the novel and 2/5 of the non-fiction books?

answer fast!

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

2

step-by-step explanation: