applelou216
applelou216 applelou216
  • 15-12-2014
  • Mathematics
contestada

Joe and Janna leave home at the same time, traveling in opposite directions. Joe drives 45 mph and Janna drives 40 mph. In how many hours will they be 510 miles apart?

Respuesta :

csilt96 csilt96
  • 15-12-2014
510 = 45x + 40x
510 = 85x
Divide by 85
6 = x

6 hours
Answer Link
JamieFisher10 JamieFisher10
  • 15-12-2014
The answer is 6 hours
Answer Link

Otras preguntas

what is 1/2 + (-3/4) ?????????????????
how do liquid water , ice and water vapor differnt from eachother
The Declaration of Independence was written mostly by
there are 10 fewer Robins than Cardinals there are 16 Cardinals how many Robins are there
write each fraction mixed number as a decimal 311/500
what mixed number represents 2.85
How did a high enslaved population in the southern states threaten the people of the northern states?
Which sentence uses correct punctuation? Mark called to the umpire "Hey, that was a strike!" Mark called to the umpire, "Hey, that was a strike!" Mark called to
Which of the following is an example of plagiarism? using too many in-text citations using the Internet to conduct research failing to format properly the title
The layer of the Earth that is composed of large plates that interlock and move over time is the _______. asthenosphere lithosphere outer core upper mantle