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A and B ride from a to B at the same time. A travels 15km per hour, B travels 13km per hour. They meet at the midpoint of 3km. Find the distance between the two places
Encounter time = 3 × 2 ÷ (15-13) = 3 hours
Distance between the two places = (15 + 13) × 3 = 84km
Party A and Party B ride their own bikes from both places at the same time. Party A travels 15km per hour, and Party B travels 13km per hour. They meet at 3km away from the midpoint to seek the distance between the two places
Distance?
A travels 15-13 km more per hour than B = 2km
.
When meeting, a travels 3 * 2 = 6km more than B
.
The meeting time is 6 / 2 = 3 hours
.
The distance between the two places is (15 + 13) * 3 = 84km
.
A: the distance between the two places is 84km
A and B vehicles run from two places at the same time and meet at 15km away from the destination. It is known that the speed ratio of a vehicle to B vehicle is 7:6. How many kilometers is the distance between the two places?
Distance 15x2 ÷ (7-6) x (7 + 6) = 30x13 = 390km
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