42minutes:5hours in ratio form​

31:150

Step-by-step explanation:

First of all we convert the hours into minutes:

5×60=300

which gets us 42:300, which we can simplify to:

31:150

and is 31 is prime and 150 can't be divided into it without a remainder, it is in it's simplest form and it is the answer.

7:50

Step-by-step explanation:

The ratio:

 42 min

can be rewritten in the equivalent

  5 hours

 42 min

= 42/300 = 7/50 or 7:50

300 min