Zairylkimdalam84viz
Answered


Activity: Solve each problem involving average speed. Be sure to show all solutions and to use
correct units.
1. Maria drives her car for 1 2 hours with a constant speed of 65 km/h and then for another 60 minutes with
a constant speed of 80 km/h. What was her average speed?
2. Slyvette rides her bike for 120 minutes with a constant speed of 30 kmih and then for another 6 hours
with a constant speed
of 20 km/h. What is her average speed for the total trip?
​

Sagot :

Alexisgee11brainlyviz

Answer:

1. 72.5 km/hr

Explanation:

1. [tex]Average Speed=\frac{s_{1}+s_{2} }{2} \\Average Speed=\frac{65km/hr+80km/hr }{2} \\\\Average Speed=\frac{145}{2} \\\\Average Speed=72.5 km/hr[/tex]

2.