Division by unknown

What 3 divided by what = 21

Final Answer:

x =  1/7

Step-by-step explanation:

3/x=21  3 = 21x  x=3/21=71=0.1429



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Need help calculating a sum, simplifying, or multiplying fractions? Try our fraction calculator.

You need to know the following knowledge to solve this word math problem:

arithmeticnumbersGrade of the word problem

Related math problems and questions: