42 is 200% of what number?

1 Answer
Apr 18, 2017

Answer:

#42# is #200%# of #21#

Explanation:

I can't really explain this, but I will try my best.

#200%# can be converted to a ratio of #2:1#.

Since you have #42#, that is your #2# in that ratio. Now that you have your #42#, you can divide it by #2# to get your answer, #21#.