An athlete runs M miles in 4 hours, then rides a bike N miles in the same number of hours. Which of the following represents the average speed, in miles per hour, for these two activities combined?
A
M + N / 8
B
2M + N / 8
C
M + N / 4
D
M + 3N / 8
E
M + N / 5
Correct answer: A
Explanation
M + N / 8
formular for avg speed is total distance / total time
Time spent running = 4 and the time spent biking = 4
Source: Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.
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AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.
id aqua_rat:a69b90b98db59ff0166ca9d30933be94
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