#263] Catching up ane's brother Andrew leaves home for school at 8:00 am. He walks at 4.2 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to ollow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9:00 am. What is the minimum constant speed at which she needs to ride? (Hint: At what time of day will they meet?) ane must ride at least _kph.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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[#263] Catching up
Jane's brother Andrew leaves home for school at 8:00 am. He walks at 4.2 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to
follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9:00 am. What is the minimum constant speed at which
she needs to ride? (Hint: At what time of day will they meet?)
Jane must ride at least kph.
Transcribed Image Text:[#263] Catching up Jane's brother Andrew leaves home for school at 8:00 am. He walks at 4.2 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9:00 am. What is the minimum constant speed at which she needs to ride? (Hint: At what time of day will they meet?) Jane must ride at least kph.
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