Question

a teacher had 21 red pans.If the ratio of red pens to blue pens she owned was was 3:1 ,how many pens did she have total?

Answer 1

Pretty sure it's 28.              

Answer 2

She had 28 pens total because she had a ratio of 21 red pens to 7 blue pens. I got 7 by dividing 21 by 3.