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primary 6 | Maths
| Speed
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Date Posted: 5 years ago
Views: 512
Janice house to town P = 180km
Speed drive = 80km/h
Means, 1hour = 80km
180km ÷ 80km = 22.5
Thats mean, janice have to drive 22.5 hours to arive at town P.
Start on 1150, add 22.5 hours ahead.
If janice drive 24hours(1day) she will be arrive at the same time, 1150 next day.
24hours - 22.5hours = 1.5hours
So, janice will arrive 1.5hours early.
1150 - 1.5 hours = 1000 or 10.00am if 12hours sistem
Speed drive = 80km/h
Means, 1hour = 80km
180km ÷ 80km = 22.5
Thats mean, janice have to drive 22.5 hours to arive at town P.
Start on 1150, add 22.5 hours ahead.
If janice drive 24hours(1day) she will be arrive at the same time, 1150 next day.
24hours - 22.5hours = 1.5hours
So, janice will arrive 1.5hours early.
1150 - 1.5 hours = 1000 or 10.00am if 12hours sistem
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