Free Practice Question
PS · Problem Solving
505-555
Distance/Rate Problems
During a 12-kilometer charity run, Mia completed the distance in 3 hours, while Ava maintained a pace that was 25 percent quicker than Mia's. How long did it take Ava to finish the run?
Answer Choices
Correct answer marked belowA
2
2.4
Correct
C
2.5
D
3.6
E
15/4
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Explanation
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Official Explanation
Official
The distance of the run is 12 km. We can use the formula Distance = Speed × Time. Mia finished the race in 3 hours, so her speed is calculated as Speed = Distance / Time = 12 / 3 = 4 km/h. Ava's speed is 25% faster…
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Comments
2
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Y
YousraMay 11, 2024
Thank for sharing!!!
B
BebasAug 19, 2024
greatt question!
What this question tests
What it tests
Your application of distance = rate × time to trains, boats, and commuters, including relative speed.
Common trap
Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.
Details
Difficulty
505-555
Type
PS
Category