A teacher had 21 red pens. if the ratio of red pens to blue pens she owned was 3:1 how many pens did she have total?

asked Feb 6, 2016 143k views

2 votes

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4 votes

29
i hope
i don't want u to get this wrong on a test or homework
but as you see I'm trying
since i wasted my time on this website

Mitch Goudy answered Feb 9, 2016

8.6k points

4 votes

28 because….
21/7= 3
7x1=7
so 21+7=28

JHowIX answered Feb 11, 2016

9.0k points

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