The answers would be A,D,E,F because ...
A rational number is any integer, fraction, terminating decimal, or repeating decimal.
Hope this helps! :3
20/10 is 2 so he can detail two cars an hour
14 ribbons.
7 divided by 1/2 is 14. dividing by a fraction or decimal is just like multiplying without the decimal point or numerator.
Answer:
in 203060708030506040 hours there are 203060708030506040×60 seconds
