1/3y+1/4=5/12 i need 20 character

Mathematics

1 answer:

lys-0071 [83]3 years ago

3 0

Y/3 + 1/4 = 5/12
4y/12 + 3/12 = 5/12
4y/12 = 2/12
4y = 2
/4 /4
y = 1/2

Therefore y = 1/2

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a shopkeeper bought two watches for rs 400.he sold them to gain 5% profit on one and another at 5% loss on other.calculate his f

jekas [21]

Answer:

0.25 % loss.

Step-by-step explanation:

Let the cost of 1 watch be rs x then the cost of the other is rs 400 - x.

Let the sp be rs y.

So we have:

y = x + 0.05x

y = (400 - x) - 0.05(400 - x)

y = 400 - x - 20 + 0.05x

y = 380 - 0.95x

So x + 0.05x = 380 - 0.95x

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x = 190.

and y = 190 + 0.05*190 = 199.5.

So the total selling price = 2 * 199.5 = rs 399

So final loss is [ (400-399)/ 400] * 100

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3 years ago

Which of the following ratios is equivalent to 49:35?

Arte-miy333 [17]

The best way to find it is to reduce each ratio you work with to its
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lowest terms, divide each number by their greatest common factor.

First, the one that you're trying to match: 49:35 .
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Divide each number by 7 . . . 7:5 . . . that's what you have to match.

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Their greatest common factor is ' 3 '.
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3 years ago

Read 2 more answers

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Answer:

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