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andrew-mc [135]
3 years ago
14

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?

Mathematics
2 answers:
maw [93]3 years ago
8 0
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
Vlada [557]3 years ago
3 0
28 because….
21/7= 3
7x1=7
so 21+7=28
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