Makayla is getting a new phone plan. Plan A will charge her $10 per month plus $0.10 per text message. Plan B will charge $35 per month plus $0.05 per test message. How many text messages will make the two plans cost the same for one month?

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

14

step-by-step explanation:

14