SOLUTION: If Alexa can knit 15 rows in 22 minutes then how many full rows can she knit in 90 minutes?

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Question 564979: If Alexa can knit 15 rows in 22 minutes then how many full rows can she knit in 90 minutes?
Answer by issacodegard(60) About Me  (Show Source):
You can put this solution on YOUR website!
We, use (15 rows)/(22 min) like a conversion factor (i.e. consider (15 rows)/(22 min)=1). So we convert minutes to rows:
90 min = (90 min)*(15 rows)/(22 min) = (675/11) rows, or about 61.4 rows.
Notice how the minutes cancel.