Answer:
20.8333333333
Step-by-step explanation:
Since 6 isn't a factor of 125 there will be a decimal.
6 goes into 125 20 times. Then it can fit in .8333333333 times.,
A decimal is less than a whole number.
So,
0.510<52
"B" is the answer.
I hope this helps!
~kaikers
For the example you gave of m+83, you would just write it out, like "m plus eighty three"