Jack and Jill start driving from the same location. Jack drives 30 miles south while Jill drives west. If Jack and Jill are 78 m
iles apart when they stop, how many miles west did Jill drive? Show all work in solving the problem.
1 answer:
Answer:
72 mles
Step-by-step explanation:
For better understanding, I'll make use of an attachment.
From the attachment,
O represents the start point
--- Jack
-- Distance between them
Required
Find OA; Jack's distance
To do this, we make use of Pythagoras theorem

This gives:


Subtract 900 from both sides


Take square roots


<em>Hence, Jill drove 72 miles</em>
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