total cards = 110 + 75 + 315
gave away = 110 + 75
percent given = 100 (110+75)/(110+75+315)
After Michael 110 baseball cards to Sally and 75 to Heidi, he still has 315 left. What percent of his cards did Michael give away?
110 + 75... and then??
3 answers
185 + 315 = 500
185 / 500 = 0.37 = 37%
185 / 500 = 0.37 = 37%
Thanks alot.