Jina runs 4 miles in 30 minutes. at the same rate, how many miles would she run in 48 minutes

6.4

Step-by-step explanation:

You want to divide 30 by 4 to figure out the rate.

30 / 4 = 7.5

Now you divide again, taking the 48 into the equation.

48 / 7.5 = 6.4

Jina would run 6.4 miles in 48 minutes, following the same rate.

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

if you was gonna solve for a, a is a   < -12