Question
A bag had some grey pencils and red pencils in the ratio of 3 : 1. Irene removed 35 grey pencils and put another 20 red pencils into the bag. There is now 50% as many grey pencils as red pencils in the bag. How many grey pencils were in the bag at first?
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A bag had some grey pencils and red pencils in the ratio of 3 : 1. Irene removed 35 grey pencils and put another 20 red pencils into the bag. There is now 50% as many grey pencils as red pencils in the bag. How many grey pencils were in the bag at first?