How do you solve percent problems using ratio proportion? Algebra Linear Equations Percent Equations 1 Answer Joe D. Apr 4, 2015 Lets say you want to calculate #15%# of #70#. If there are #15# units in #100#, then #k# units in #70#. #15/100=k/70# #k=(15*70)/100 = 10.5# Answer link Related questions Jimmy made a #"75%# on a test worth #46# points. How many points did he get correct? How do you use proportions to solve percent equations? How do you translate percent problems into an equation? What number is 32% of 600? What number is #3/4#% of 16? 8 is 20% of what number? 99 is 180% of what number? What percent of 7.2 is 45? What percent of 150 is 5? What is 2% of 92? See all questions in Percent Equations Impact of this question 5652 views around the world You can reuse this answer Creative Commons License