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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?

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?
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2 votes
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?

User Xaviersjs
by
8.2k points

2 Answers

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
User Mitch Goudy
by
8.6k points
4 votes
28 because….
21/7= 3
7x1=7
so 21+7=28
User JHowIX
by
8.8k points
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