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lisabon 2012 [21]
2 years ago
13

What is the answer to this equation 1 2/5÷5/7

Mathematics
2 answers:
mixer [17]2 years ago
8 0

84/25

If you need an explanation, comment below. :)

marissa [1.9K]2 years ago
7 0

Answer:

85/25

Step-by-step explanation:

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Lemur [1.5K]

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

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Box3 has 120 oranges.

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3 years ago
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