When Brooke buys lunch at the cafeteria, money is withdrawn from a lunch account. The table shows amounts withdrawn in one week.
By how much did the amount in Brooke's lunch account change by the end of that week? Lunch Account
Week 1 Lunch Cost Balance
$49
Monday Pizza $7
Tuesday Fish Tacos $7
Wednesday Spaghetti $7
Thursday Sandwich $7
Friday Chicken $7
