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SSSSS [86.1K]
3 years ago
15

here are the ingredients for making fish pie for 5 people. 180g flour,240g fish,80g butter,4 eggs, 180ml milk . Lan makes a fis

pie for 15 people. Work out how much butter he needs
Mathematics
2 answers:
kvasek [131]3 years ago
8 0
5p = 80b
3(5p) = (80b)3
15p = 240b

Lan need 240g of butter to make fish pie for 15 people.
Cloud [144]3 years ago
4 0
The amount of better needed
As 5 people serves need 80g,15 people serves need 15÷5=3 times of 5 people serves

Total amount needed=80g×3
=240g
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What a delightful little problem ! (Partly because I could see
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Three consecutive integers are . . . x,  x+1,  and  x+2

The smallest two are . . . x  and  x+1
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5 times the largest one is . . . 5(x+2)
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Now, the conditions of the problem say that    <u>x (x + 1) = 5 (x+2) - 5</u>
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You could solve that by factoring it, or use the quadratic equation.

Factored, it says that    (x + 1) (x - 5) = 0

From which       <em>x = -1</em>
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We only want the positive results, so our three consecutive integers are

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To answer the question, the smallest one is    <em><u>5 </u></em>.

<u>Check</u>:

   5 x 6  ? = ?  (7 x 5) - 5

       30  ? = ?  (35) - 5

         30   =   30

             yay !   


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