Barry's deck of cards contains 40 blue cards and 70 red cards max's deck of cards contains the same number of blue cards but the ratio blue cards to red cards 8:9 how many total cards do s max's deck of cards contain
Since Max's deck of cards contains the same number of blue cards as Barry's, letting x as the number of red cards in Max's deck of card 40 / x = 8 / 9 Solving for x 360 = 8x x = 45
There are a total of 40 + 45 = 85 cards in Barry's deck of cards
