Mavis Marble uses her new Mitra Card
("The card that does the math for
) to buy material and yarn.
She has been using it for 4 months. She just got a letter in
the mail saying her account is now at -355.
can't be. My card says I have a credit of $240."
Mavis will need
to compare her Mitra card charges with her payments.
Find the correct
balance for her Mitra account.
Hint: Your starting balance