Question

yesterday, rob had 111 baseball cards. today, he gave c away. using c, write an expression for the number of cards rob has left.

Explanation:

Step1: Identify initial and given - away amounts

Initial number of cards is 111, and number given away is $c$.

Step2: Calculate remaining cards

Subtract given - away cards from initial cards. So the expression is $111 - c$.

Answer:

$111 - c$