Here's a great video where we explain the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too.
Solving proportions is a free educational video by Khan Academy.It helps students in grades 7 practice the following standards 7.RP.A.3.
1. 7.RP.A.3 : Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error..
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