Two friends left their houses at the same time, the distance between which was 3400m and went along
| July 13, 2021 | education
Two friends left their houses at the same time, the distance between which was 3400m and went along the same road towards each other, one boy walked at a speed of 90m minutes, how fast did the second boy walk if they met in 20 minutes?
1. Let’s calculate how many meters in 20 minutes the boy walked, whose speed was 90 meters per minute.
90 * 20 = 1800 meters.
2. Find the distance that another boy covered before meeting the first boy.
3400 – 1800 = 1600 meters.
3. Find out how many meters he walked per minute, if it is known that he walked 1600 meters in 20 minutes.
1600/20 = 80 meters.
Answer: The boy’s speed was 80 meters per minute.
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