anonymous
  • anonymous
two cars leave towns 380 kilometers apart at the same time and travel toward each other. One car's rate is12 kilometers per hour more than the other's. If they meet in 2hours, what is the rate of the faster car?
Mathematics
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anonymous
  • anonymous
two cars leave towns 380 kilometers apart at the same time and travel toward each other. One car's rate is12 kilometers per hour more than the other's. If they meet in 2hours, what is the rate of the faster car?
Mathematics
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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dumbcow
  • dumbcow
to solve this you need to know distance = rate*time each car has its own distance, rate, and time set up a table with info you know rate time distance car1 x 2 2*x car2 x+12 2 2*(x+12) we also know total distance is 380 2x + 2(x+12) = 380 solve for x distribute and add like terms once you know x you know the rate of slower car to find rate of faster car add 12

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