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

asked Sep 10, 2016 199k views

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For every 8 red pens she has, she has 7 blue pens.

So, she has 21 blue pens.

In total, she has 45 pens.

Brocking answered Sep 10, 2016

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3 votes

45 pens.

24 ÷ 8 =3 Then you need to time 3 and 7 together
3 x 7 = 21 Then add the total of pens the teacher has
21 + 24 = 45 pens

Pranita answered Sep 15, 2016

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