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jazzy4211
29.10.2019 •
Mathematics
Shelly rode her mountain bike at a rate of 30 km/h for 2.5 h. josh rode his mountain bike at a rate of 35 km/h for 1 h and then slowed down to 25 km/h for 1.5 h. a) who travelled farther in 2.5 h? b) what is the difference in the distance travelled by the cyclists?
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Ответ:
Part A) Shelly traveled farther in 2.5 h
Part B) The difference in the distance traveled by the cyclists is 2.5 kilometers
Step-by-step explanation:
Part A) Who traveled farther in 2.5 h?
we know that
The speed is equal to divide the distance by the time
Let
s ----> the speed
d ----> the distance in kilometers
t ----> the time in hours
Solve for d
step 1
Find out the distance traveled by Shelly
we have
substitute the values
step 2
Find out the distance traveled by Josh
we have
Part 1)
substitute the values
Part 2)
substitute the values
substitute
Compare the distances
so
Shelly traveled farther in 2.5 h
Part B) What is the difference in the distance traveled by the cyclists?
Find out the difference between the two distances
Ответ:
boy you are on your on i really don´t know that
Step-by-step explanation: