Question
A bag had some grey markers and yellow markers in the ratio of 3 : 1. Vanessa removed 39 grey markers and put another 15 yellow markers into the bag. There is now 20% as many grey markers as yellow markers in the bag. How many grey markers were in the bag at first?
4 m

Click button first when a symbol is required. X

A bag had some grey markers and yellow markers in the ratio of 3 : 1. Vanessa removed 39 grey markers and put another 15 yellow markers into the bag. There is now 20% as many grey markers as yellow markers in the bag. How many grey markers were in the bag at first?