It is either 1.5 inches per hour
or
1 inch in 2/3 hours.
2
1/2 an inch an hour
Nothin
It is 92.5 per unit.
1/3
the unit of rate is 20
4
2
1/2 an inch an hour
1 inch in 2 hours
Nothin
18 divided by 6 = 3
It is 92.5 per unit.
the unit rate is 2 :)0
1/3
Your question hasn't not sufficient details for an answer.
40