The base is 5 because the base = 2 Area/Height
Since the triangles are congruent your equation would be 2y+8=19
Solve for y
y=5.5
50 miles = 1 hour
10 miles = 1/50 x 10
= 1/5 hours
= 12 minutes
It will take him 12 minutes to drive 10 miles.
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