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OpenStudy (chillhill):
How do you find the upper bound of this problem: Rachael walks to school The distance to school is 2.8km, correct to the nearest 0.1km. She walks at a speed of 5km/h, correct to the nearest km/h. Calculate the upper bound in minutes, for the time Rachael takes to walk to school.
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OpenStudy (anonymous):
the time is equals to the distance/speed
OpenStudy (anonymous):
got it??
OpenStudy (chillhill):
So how to do you calculate the upper bound?
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