Samantha is saving to buy a new car. She already has $2500 in the bank. She is saving $400 per month. What is the minimum number of months that she will need to save to buy a car that costs $7000.

She will need the minimum of  12 months

7000-2500= 4500

4500/2=11.25

11.25 rounded up is 12

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

because they could drop even lower..