Chapter 5.1A, Problem 15A

In each of following problems, write both a subtraction and addition expression that correspond to question and then answer the question.

a. The temperature is $55°F$ and is supposed to drop $60°F$. What will the temperature be then?

b. Moses has overdraft privileges at his bank. If he had $\$200$ in his checking account and he wrote a $\$220$ check, what would be his balance if bank allowed the overdraft?