1 In which situation do the quantities combine to make 0? Kurt deposited $50 into his checking account on Friday. The next week,
he deposited $50 into his savings account.
A football team gained 4 yards on one play and lost 2 yards on the next play.
The temperature at 10 pm was 6°C. Over the next 3 hours, the temperature
decreased by 2°C each hour.
Marci spends $8 to make a necklace and earns $8 from each bracelet sold.
On Saturday, she made 5 necklaces and sold 10 bracelets.
2 Consider the following problems.