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the average speed of 10 drivers on the 405 freeway at 6 p.m. is 64 miles per hour what would the 11 drivers speed have to be to bring the average of all 11 drivers to 65 miles per hour

the average speed of 10 drivers on the 405 freeway at 6 pm is 64 miles per hour what would the 11 drivers speed have to be to bring the average of all 11 driver class=

Respuesta :

kitamuragu
B ) 75 Miles per hour
75 + 64(10) = 640 + 75 = 715
715 ÷ 11 ( how many drivers ) = 65

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