1/2 hour : $1.25 what is the unit rate per hour

$2.50/hour

Step-by-step explanation:

It is given that for hour $1.25.

We have to calculate the unit rate per hour.

Since for   hour the amount = $1.25

for 1 hour the amount would be = 1.25 ÷

                                                    = 1.25 ×

                                                    = $2.50/hour

The unit rate per hour would be $2.50.