jacie015 jacie015

30-11-2015
Mathematics

contestada

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?

Respuesta :

30-11-2015

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

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todermatt todermatt

30-11-2015

28 because….
21/7= 3
7x1=7
so 21+7=28

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