Mathematics, 19.01.2021 14:00 monk68

The ratio of red to blue counters is 2:5 and there are 40 blue
counters. When I remove some red
counters the ratio is now 1:4. How
many red counters did I remove?

Answers: 3

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The ratio of red to blue counters is 2:5 and there are 40 blue
counters. When I remove some r...