Question

A bag contains yellow marbles and green marbles, 66 in total. The number of yellow

marbles is 6 more than 4 times the number of green marbles. How many yellow
marbles are there?

Answer 1

51 yellow marbles

Explanation:

work backwards~

6 more than: subtract 6=60

4 times: 60÷4=15

66-15=51

(that should be right)