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Mathematics, 19.11.2020 19:00 sophiav9780

An airplane flew for 4 hours at a speed of a miles per hour (mph), and at (x + 10) mph for next 4 hours. What expression can be used to find the total distance covered by the airplane?

A: 8x
B: 8x+10
C: 8 (x+10)
D: 8x+ 40

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