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If you drive the first 120 miles of a 470 mile trip in 3 hours how fast must you drive the remainder of the trip if the total trip takes 8 hours?
Wiki User
∙ 14y ago
If the first 120 miles takes 3 hours, then the remaining 350 (470 - 120) miles has to be completed in 5 (8 - 3) hours.
Velocity = Distance ÷ Time : Velocity = 350 ÷ 5 = 70 mph
The speed over the final 350 miles is therefore 70mph.
Wiki User
∙ 14y ago
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Jenna rides 18 miles in 1.5 hours For the remainder of her trip Jenna travels at an average speed that is 2 miles per hour faster then her speed for the first 1.5 hours she rides a total of 5 hours?
12mph for first 1.5 hours= 18 miles 14mph for last 3.5 hours=49 miles total=67 miles
Carlos and Maria drove a total of 298 miles in 6.2 hours Carlos drove the first part of the trip and averaged 47 miles per hour Maria drove the remainder of the trip and averaged 49 miles per hour?
Carlos and Maria drove a total of 298 miles in 6.2 hours. Carlos drove the first part of the trip and averaged 47 miles per hour. Maria drove the remainder of the trip and averaged 49 miles per hour. For approximately how many hours did Maria drive? A.)2.4 hours. B.)2.9 hours. C.)1.7 hours. D.)3.3 hours. ______________________________________________________________________ 3.3 x 49 = 161.7 2.9 x 47 = 136.3 161.7 + 136.3 = 298 Maria drove approximately 3.3 hours.
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