Question

Charlie and Leo were playing with toy cars. Charlie said to Leo that if you give me one car, then i will have twice as many cars as you have. Leo said if charlie gives him a car, they will be equal. How many cars does each boy have?

Answer 1

Answer:

In the beginning, Leo had 3 cars and Charlie had 3 cars.

In this problem, the statements seem to never be true if applied in the initial value. But if we take the value from the first statement and take it in the second, Leo and Charlie having 3 cars is true.

Step-by-step explanation:

Charlie said to Leo that if you give me one car, then i will have twice as many cars as you have.

$(L_{1} - 1) = 2L_{2} = C_{2}$

From that statement after Leo gives Charlie a car, we'll have something like:

Charlie's                        Leo's

    2                                    1

    4                                    2

    6                                    3

Also, from that statement we can imply that we're not dealing with a great amount of cars, because the next statement won't be true.

Leo said if Charlie gives him a car, they will be equal.

$L_{1}= C_{1} - 1$

Another thing is that if the second consideration holds true after the first statement. I will considerate that.

So,

In the beginning, Leo had 3 cars and Charlie had 3 cars.

In this problem, the statements seem to never be true if applied in the initial value.

Answer 2

Answer:

Charlie has 6 and Leo has 4

Step-by-step explanation:

6-1=5 and 4+1= 5

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