if jana drives 6 hours at a speed of 60 miles/hour and 9 hours at a speed of 62 miles/hour, what is her average speed in miles/hour during her 15 hours of driving?

a) 51.20
b) 58.46
c) 61.20
d) 64.30

Respuesta :

Answer:

c) (61.20)

Step-by-step explanation:

6*60=360

9*62=558

6+9=15

360+558=918

918/15=61.2

The average speed is C)61.20 miles/hour.

6 * 60 = 360

9 * 62 = 558

6 + 9 = 15

360 + 558 = 918

918 / 15 = 61.2

What is the formula to calculate average speed?

The most commonplace system for average pace is the distance traveled divided through time taken. In the opposite system, if you have the preliminary and very last velocity, add the 2 collectively, and divide by 2.

The average speed is the entire distance traveled by way of the object in a particular time c program language period. The common speed is a scalar quantity. it's miles represented through the importance and does no longer have direction.

Learn more about average speed here: https://brainly.com/question/6504879

#SPJ2