There is a total of 27 quarters stacked in four piles. The first pile has 5 fewer than the second pile. The second pile has 4 more than the third pile. The fourth pile has three times as many as the second pile. How many quarters are in the fourth pile?

Solution:Note that:This means that…First, let’s find the number of quarters in 2nd pile.Open the brackets.Combine like terms.Simplify the RHS.Add 9 both sides.Divide 6 both sides.6 quarters = 2nd pileNow, substitute the number of quarters in 2nd pile in it’s equation.4th pile = 18 quarters.Answer:18 quartersStep-by-step explanation: