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nika2105 [10]
2 years ago
15

(b) Write the ratio 12:30 in the form 1:n

Mathematics
2 answers:
kari74 [83]2 years ago
4 0

answer:

1 : 2.5

explanation:

given ratio: 12 : 30

divide by 12:

  • \frac{12}{12} : \frac{30}{12}
  • 1 : 2.5

n = 2.5

Aleonysh [2.5K]2 years ago
3 0

Solution:

<u>Note that:</u>

  • 12:30 = 12/30

<u>Simplify the denominator and the numerator.</u>

  • => 12/30 = 6/15 = 2/5 = 1/2.5
  • => 1/2.5 = 1:2.5 (In ratio form 1:n)

The simplified ratio form of 12:30 is 1:2.5.

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A shopkeeper bought wheat for rs.35000. Due to leakage in the godown 1/7 of the total wheat was spoiled. He sold the good wheat
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<h2>Question: </h2>

A shopkeeper bought wheat for rs.35000. Due to leakage in the godown 1/7 of the total wheat was spoiled. He sold the good wheat at a gain of 10% and the spoiled when at a loss of 25%. Find his total gain or loss per cent.

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<h2>step by step answer:</h2>

In the question we are given a shopkeeper or bought wheat for Rs. 35000. Now, due to leakage 17 of the total wheat is spoiled. Now, he sold the good wheat at 10% gain and the bad wheat at 25% loss. We need to find the total gain/loss percent.

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Now, let us find the cost price of the good wheat.

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Hence, the cost price is Rs. 30000.

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Let us find the total selling price of the wheat that the shopkeeper bought.

Now the total selling price of the wheat is Rs.3750+Rs.30000=Rs.36750.

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profit =Rs.36750−Rs.35000

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profit %

=profitcost price×100%.

=175035000×100%.

=5%.

<h2>So, total profit is 5%.</h2>
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