Jerome bought 8 packs of baseball cards at a garage sale each pack had 10 cards he gave his younger sister 3 cards from each pack how many cards does jerome have left?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175