For the school play, adult tickets cost 4 and children tickets cost 2. natalie is working at the ticket counter and just sold 20 worth of tickets. what are all of the possible ticket combinations for 20 worth of tickets?

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

answer:   y=2x-3

step-by-step explanation: