The ratio of red pens to blue pens in a box was 3 : 20. 35% of the blue pens were removed and replaced with an equal number of red pens as the number of removed blue pens. If there were still 216 more blue pens than red pens after the exchange, how many red pens were added into the box?

The ratio of red pens to blue pens in a box was 3 : 20. 35% of the blue pens were removed and replaced with an equal number of red pens as the number of removed blue pens. If there were still 216 more blue pens than red pens after the exchange, how many red pens were added into the box?

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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The ratio of red pens to blue pens in a box was 3 : 20.
35% of the blue pens were removed and replaced with an equal number of red pens as the number of removed blue pens. If there were still 216 more blue pens than red pens after the exchange, how many red pens were added into the box?

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