Johnny drove 300 miles to meet his mother on Tuesday. On Thursday, he drove 120 miles to meet friends at an amusement park. On S
aturday, he drove 420 miles back home. The entire trip took 14 hours. What was his average driving speed?
1 answer:
Answer: 60 mph
Step-by-step explanation:
300+120+420=840
840/14=60
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