7. Kristen has $500 in her bank account. Last month
she made a deposit of $75 and a withdrawal of
a
$125. This month she made a withdrawal of $100.
She would like to have $700 in her account at the
end of this month. (4 points)
Calculate the amount of money she has in her
account after the withdrawal of $100 and explain
how you found the answer. Then, calculate how
much money she needs to deposit in order to have a
balance of $700 and explain how you found the
answer.