3/8% of what number is 15? Algebra Linear Equations Percent Equations 1 Answer Deepak G. Sep 11, 2016 #x=4000# Explanation: Let the number be #x# #3/8% of x=15# or #3/800 timesx=15# or #x=15/3times800# or #x=4000# 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 4836 views around the world You can reuse this answer Creative Commons License