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March 24, 2017

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There are 2 red cars and 3 blue cars. The 5 cars contain a total of 12 people. No car has more than 4 people. Every car has at least 1 person. The only cars with the same number of people are the red cars. How many people are in 1 red car?

  • geometry - ,

    3 because 3+3=6+2+2+2=12

  • math - ,

    Looking at the problem, I see that that the plausible answers could be either 2 or 3. See the chart below for why:

    2
    4 in red cars (2 each)
    8 left over
    And you could use 1,4, and 3 for your numbers (since no blue car should have the same number of people in it)

    for 3:

    3
    6 in red cars (3 each)
    6 left over
    And you could use 1,2, and 3 for your numbers (since no blue car should have the same number of people in it)

    both answers follow each rule as shown:

    -no car has more than 4 people
    -every car has at least 1 person
    -the only cars with the same number of people are the red cars

    which concludes to the answer being 2 or 3

  • math - ,

    Im sorry. looking at the answer and question again I see that the answer couldn't possibly even be 3. It would have to be 2 because looking at my previous answer, i said you could use 1,2, and 3 for your numbers on the blue cars, when really you can't because 3 was the number for the red cars and you can't have the same numbers for blue and red, as it says only red cars have the same number of people. Sorry for the mishap:) the answer is 2

  • math - ,

    Im sorry. looking at the answer and question again I see that the answer couldn't possibly even be 3. It would have to be 2 because looking at my previous answer, i said you could use 1,2, and 3 for your numbers on the blue cars, when really you can't because 3 was the number for the red cars and you can't have the same numbers for blue and red, as it says only red cars have the same number of people. Sorry for the mishap:) the answer is 2

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