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IgorC [24]
2 years ago
15

Ivan and Tanya share £150 in the ratio 4:1 how much more Ivan has then tanya

Mathematics
2 answers:
blsea [12.9K]2 years ago
5 0

Answer:

90

Step-by-step explanation:

Since the ratio is 4:1 there are 5 (4+1) parts you should divide it into.

150 ÷ 5 = 30

30 = 1 part

30 × 4 = 120

Ivan has 120 while Tanya has 30. to find the difference you subtract the two.

120 - 30 = 90

Alexeev081 [22]2 years ago
3 0

Hey!

--------------------------------------------------------

Solution:

Ratio is 4/1

Add.

4 + 1 = 5

Divide.

150 / 5 = 30

Multiply for Ivan.

30 x 4 = 120

30 x 1 = 30

Check.

120 + 30 = 150

Subtract.

120 - 30 = 90

--------------------------------------------------------

Answer:

Ivan has £90 more than Tanya has!

--------------------------------------------------------

Hope This Helped! Good Luck!

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Answer:

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Unknown:

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Since the photo is a rectangle; area of photo:

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For the area of the ad;

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Given that,

                  the area of the photo  = \frac{1}{2} area of ad

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Area of the ad;

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                     x² + 7x - 12  = 0

            Using the almighty formula where

     a  = 1, b = 7 and c = -12

          x  = \frac{-b (+/-) \sqrt{b^{2} } - 4ac}{2a}

     

          x = \frac{-7 + \sqrt[]{-7^{2} - 4x1x-12 } }{2x1}   or \frac{-7 - \sqrt[]{-7^{2} - 4x1x-12 } }{2x1}

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therefore the answer is 1.4in

x is 1.4in

4 0
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hope this helps

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