4.
Dat decided to buy gifts from the Choctaw
Museum of the Southern Indian. He had $30 and
wanted to have more than $12 left after buying
gifts. Dat used the variable c and the inequality
12 + c < 30 to show how much money he could
spend on gifts.
What is the value of c?
A. c < 18
B. c> 18
C. c < 42
D. c > 42