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Mathematics 21 Online
nikkixmarie:

Joanna is driving form Orlando, fl to Dallas, TX. The distance between Orlando and Dallas is 1,084 miles. Joanna's average rate of speed is 65 mph. The following function represents how many miles Joanna has left on her trip after t hours, f(t)=1084-65t. After how many hours of driving will Joanna be 304 miles from Texas.

Vocaloid:

since f(t) represents the distance between Joanna and Texas, plug in 304 for f(t) and solve for t

nikkixmarie:

t = 12?

Vocaloid:

yes good

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