Susan drove for 2 hours at 85 km/h and then for 3 hours at 95 km/h. What was her average speed for the entire?

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2007-02-27 10:47:04 · 6 answers · asked by kikayrakista 1 in Education & Reference ➔ Homework Help

(2x85)+(3x95) divided by 5= your average.

2007-02-27 10:57:44 · answer #1 · answered by Anonymous · 0⤊ 0⤋

2 x 85=___ + 3 x 95 ___ = average speed

2007-02-27 18:51:53 · answer #2 · answered by Amberlyn4 3 · 0⤊ 0⤋

((2*85)+(3*95))/5= your average.

2007-02-27 18:53:35 · answer #3 · answered by Deannaizme 2 · 0⤊ 0⤋

91 km/h 455 km/h div by 5 hours equals 91 km/h

2007-02-27 18:57:14 · answer #4 · answered by Alan F 2 · 0⤊ 0⤋

85 + 95 = 180.......................180/2 = 90

2007-02-27 18:54:06 · answer #5 · answered by Lisa 2 · 0⤊ 0⤋

(2x85+3x95)/5

2007-02-27 18:56:04 · answer #6 · answered by kamy ch 1 · 0⤊ 0⤋