2/5 * 120 = 240/5 = 48
3/8 * 120 = 360/8 = 45
Do the same for the other two types. Then add the answers together.
How do you set this problem up to solve and how do you solve this?
Ellen has four types of marbles, 120 marbles of each type. She trades two-fifths of the first type, three-eights of the second type, five-sixths of the third type, and three-quarters of the fourth type. Of the original 480 marbles, how many does Ellen trade?
2 answers
Thank you!