MATHEMATICS HIGH SCHOOL

A grocery sold 5kg of wheat flour at Rs30 per kg and gained 20%. If he had sold it at Rs27 per kg, what would be his gain or loss percent.

Answers

Answer 1

Answer:

His gain percent would have been 8%

Step-by-step explanation:

The key to answering this question is to first calculate the price at which the wheat flour was bought.

Mathematically;

% profit = (selling price-cost price)/cost price * 100%

Let the cost price be $x

Thus;

% profit = (30-x)/x * 100

20 = 100(30-x)/x

20x = 3000-100x

100x + 20x = 3000

120x = 3000

x = 3000/120

x = Rs 25

So let’s assume he sold at Rs 27

His profit would have been 27-25 = 2

His gain or loss percentage would’ve been;

2/25 * 100/1 = 200/25 = 8% (gain, since selling price is greater than the cost price)

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Answers

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Answers

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Answers

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Answers

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2x³ - 5x +3

P = Finding the divisors of the constant 3 : 1 and 3
Q = Finding the divisors of the master coefficient 2 : 1 and 2

Now verify the probably roots: +- p/q
+- 1/1 , +-1/2 , +-3/1 , +-3/2

+-1 , +-1/2 , +-3    , +- 3/2

x=1 is root: 2x³-5x+3 = 2(1)³-5(1)+3 = 0

If x=1 is root, so x-1=0

Divinding by (x-1)

2x³+0x²-5x+3 | x-1
-2x³+2x² 2x² +2x-3
  0 +2x²-5x
-2x²+2x
0 -3x +3
3x - 3
0 0

So,
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(x-1)(2x²+2x-3)

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Answers

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