What is 13 inches of snow in 5 hours

If you would like to know what is the unit rate, you can calculate this using the following steps:

13 inches ... 5 hours

x inches = ? ... 1 hour

13 * 1 = 5 * x

13 = 5 * x / 5

x = 13/5

x = 2 3/5 inches

Result: There will be 2 3/5 inches of snow in 1 hour.

If you're asking for the unit rate ...

Answer=2.6 inches per hour

13 inches 5 hours

13/5=2.6inches of snow per hour