20% of what number is 30? Pick the proportion that could be used to solve.
Mathematics · High School · Thu Feb 04 2021
Answered on
Determine what number's 20% is 30.
Solution:
In order to determine the number, we simply need to divide 30 by the decimal value of 20%. To do so we first need to convert 20% into decimal. In converting a percentage into decimal, divide the percentage by 100, hence in converting a decimal to percentage, multiply the percentage by 100.
= 20/100
= 0.2
= 30/0.2
= 150
Final answer:
30 is 20% of 150.