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deaishaajennings123
10.04.2020 •
Mathematics
326 people were in a tour group. Six buses were completely filled and 8 people chose to walk. How many people did the bus hold?
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Ответ:
The Total Capacity per bus is 53 people.
Step-by-step explanation:
To work this out you would first minus 8 from the total to find out how many actually went on the bus, and so we do not count the people walking. Then as you know there are six busses you would divide that new total by 6 to find the capacity per bus.
1) Minus 8 from 326.
2) Divide that by 6.
3) Total capacity.
The Total Capacity per bus is 53 people.
This shows that the total capacity per each bus is 53 people.
Ответ:
Solution:
Given that,
A motorboat travels 165 Kilometers in 5 hours going up stream.
It travels 305 kilometers going downstream in the same amount of time
Therefore,
Upstream distance = 165 km
Upstream time = 5 hours
Find upstream speed:Thus upstream speed is 33 km per hour
Downstream distance = 305 km
Downstream time = 5 hours
Find downstream speed:Thus downstream speed is 61 km per hour
If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then
Speed downstream = u + v km/hr
Speed upstream = u - v km/hr
Therefore,
u + v = 61 ---- eqn 1
u - v = 33 ----- eqn 2
Add eqn 1 and eqn 2
u + v + u - v = 61 + 33
2u = 94
u = 47
Substitute u = 47 in eqn 1
47 + v = 61
v = 61 - 47
v = 14
Thus rate of the boat in still water is 47 km/hr and rate of the current is 14 km/hr