Question

Joey made 300 greeting cards. He sold 40% of the cards, gave 85% of the remaining cards to his friends, and kept the rest of the cards for himself. How many greeting did he keep for himself?

Answer 1

300 • .4 = 120
300 - 120 = 180
180 • .85 = 153
180 - 153 = 27
The answer is 27