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4 December, 02:51

tres cajas contienen cuatrocientas naranjas la primera tiene veinte naranjas mas q la segunda y treinta mas q la tercera cuantas naranjas hay en cada caja

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  1. 4 December, 03:20
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    Answer: Box3 has 120 oranges.

    Box1 has 150 oranges.

    Box has 130 oranges.

    Step-by-step explanation:

    I will answer this in English.

    The question says:

    3 boxes have 400 oranges.

    The first one has 20 more than the second and 30 more than the third.

    So we have 3 equations:

    box1 + box2 + box3 = 400

    box1 = box2 + 20

    box1 = box3 + 30

    Now, we can take the variable box1 in the third equation and replace it on the other two.

    box3 + 30 + box2 + box3 = 400

    box3 + 30 = box2 + 20

    Now we can isolate one of the variables in the second equation, let's isolate box2.

    box2 = box3 + 30 - 20 = box3 + 10

    now we can replace it in the other equation:

    box3 + 30 + box2 + box3 = 400

    box3 + 30 + box3 + 10 + box3 = 400

    3*box3 + 40 = 400

    3*box3 = 400 - 40 = 360

    box3 = 360/3 = 120.

    Box3 has 120 oranges.

    Box1 has 120 + 30 = 150 oranges.

    Box has 150 - 20 = 130 oranges.
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