Question

Dylan started with 30 baseball cards and gave away x cards. Sebastian started with 40 cards and gave away twice as many cards as Dylan did.

How many cards did Dylan give away if they had the same number if cards left?
A: 20
B: 10
C: 5
D: 15

Answer 1

A:20 Dylan gave 10 leaving twenty
Sebastian doubled his giveaway leaving him with 20

Answer 2

he gave away 5 because if sebastian gave twice as many away and ended up with the same as dylan then it must be 5