80% of what number is 12? Algebra Linear Equations Percent Equations 1 Answer Mr. X. Apr 18, 2018 The answer is 15. Explanation: 12=\frac{80}{100}x \implies 12=\frac{4}{5}x \implies x=12/(4/5)=(12*5)/4=60/4=15 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 29376 views around the world You can reuse this answer Creative Commons License