Question 18
Six 10-cent coins have the same height as five 20-cent coins when stacked on top of each other. Four 10-cent coins have the same height as three 50-cent coins when stacked on top of each other. Using 10-cent, 20-cent and 50-cent coins to stack into three stacks of equal height, a total of 124 coins have been used. What is the total value of these coins? Enter the value in dollars.