Mathematics
02.12.2021 01:43
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Jane found that 25% of the total number of teenagers surveyed like sandwiches. if

Jane found that 25% of the total number of teenagers surveyed like sandwiches. if 50 teenagers like sandwiches what is the total number of teenagers that jane surveyed
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dmgcity
dmgcity
4,7(72 marks)
Work

25% is equivalent to 1/4

Multiply 50 by 4 to get 200
50 x 4 = 200

Answer

200
Oneandonlybabygirl
Oneandonlybabygirl
5,0(97 marks)
It's dependent on the context. A book may ask you to find the f'(x) of a function and you may have to use a u sub in your problem which requires you to find the dy/dx of what you substitute. So in this case both would be used.

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