In march, isaiah and freddie had the same amount of money in their savings accounts. in april, isaiah deposited $210 into his account. freddie increased the money in his account by 15%. when they compared their balances, they found that they were still equal.
how much money did they both have in their accounts in march?

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

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation: