Shonna skateboarded fpr sometime on monday. on tuesday she skateboarded twice as many minutes as she did on monday, on wednesday she skateboarded for half of the sum of minutes from monday and tuesday . alltogehter she skatebaorded for a total of three hours. how many minutes did she skateboard each day?

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation:

x=half

step-by-step explanation:

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.

it is x=-4

step-by-step explanation: