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11 There were some red, black and blue pens in a drawer. of the pens were red 1 and the number of black pens was 11 less than - of the number of red pens. If 2 there were 284 blue pens, how many black pens were there in the drawer?

11 There were some red, black and blue pens in a drawer. of the pens were red 1 and the number of black pens was 11 less than - of the number of red pens. If 2 there were 284 blue pens, how many black pens were there in the drawer?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Find 11 There were some red, black and blue pens in a drawer. - of the pens were red of the number of red pens. If and the number of black pens was 11 less than there were 284 blue pens, how many black pens were there in the drawer?
Transcribed Image Text:Find 11 There were some red, black and blue pens in a drawer. - of the pens were red of the number of red pens. If and the number of black pens was 11 less than there were 284 blue pens, how many black pens were there in the drawer?
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