The talent show committee sold a total of 16 tickets in advance. Student tickets cost $4 each and the adult tickets cost $7 each. $47 were collected. What is one
of the equations?

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

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

6 cm

step-by-step explanation: