The discard pile for a children’s card game contains 6 green cards, 8 yellow cards, 10 blue cards, and several red cards. There are no other cards in the discard pile. The probability of randomly choosing a yellow card from the pile is . Armando shuffles the discard pile and places the whole pile face down in front of the players to ready it for further play.How many red cards are in the discard pile when Armando places it in front of the players?

The ACT Mathematics Test contains 60 questions to be answered in 60 minutes.  The hardest ACT math questions (the last 10 to 15 questions) fall into two types: advanced concepts and complex questions. Advanced concepts questions cover what you learn in precalculus and trigonometry. FYI: Students that get into Harvard College have an ACT score of 34–36.