SOLUTION: A boy walks at 4 km/h. There is a woman 125 metres ahead from the boy. The boy passes the woman after 15 minutes. What was the woman's speed? Thanks
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Question 944759: A boy walks at 4 km/h. There is a woman 125 metres ahead from the boy. The boy passes the woman after 15 minutes. What was the woman's speed? Thanks Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the woman's speed in km/hr
Let hrs
--------------------- km
----------------
Convert meters to km km
-----------------------
The woman's equation is:
Multiply both sides by
The woman's speed is 3.5 km/hr
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check:
At her rate, in 1/4 hr, she travels km km which was her head start
OK