SOLUTION: If Gina leaves now and drives at 66 km/h, she will reach Alton just in time for her appointment. On the other hand, if she has lunch first and leaves in 40 minutes, she will have t
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Question 57406This question is from textbook Algebra: Structure and Method
: If Gina leaves now and drives at 66 km/h, she will reach Alton just in time for her appointment. On the other hand, if she has lunch first and leaves in 40 minutes, she will have to drive at 90 km/h to make her appointment. How far away is Alton?
This question is from textbook Algebra: Structure and Method
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
66X=90(X-2/3)
66X=90X-90*2/3
66X=90X-180/3
66X=90X-60
66X-90X=-60
-24X=-60
X=-60/-24
X=2.5
66*2.5=165 KM
90(2.5-2/3)
90(11/6)
990/6=165 KM
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