Question

Michael Started with 30 baseball cards and gave away X number of cards John you started with 40 baseball cards and gave away twice as many as Michael did how many baseball cards did Michael giveaway if they had the same number of cards left?

Answer 1

He gave 20

Explanation:

30 minus 10 equals 20 and if John gave times that he would have 20 (40-20) which will give him the same answer.