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04-04-2016
Mathematics

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A teacher had 24 red pen.if the ratio of red pens to blue pens she owned was 8:7, how many pens did she have total

Respuesta :

04-04-2016

Since it the ratio was 8:7
24 red pens=8, so 8 times 3 is 24. So 7 times 3 is 21. 21+24=45
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