A survey was conducted to determine people's chocolate preferences. The results are shown on the circle graph. If 500 people were surveyed, how many more people preferred dark chocolate over milk chocolate?
A) 115
B) 125
C) 135
D) 150
Answers
Given : A survey was conducted to determine people's chocolate preferences.
500 people were surveyed,
To Find : how many more people preferred dark chocolate over milk chocolate
A) 115
B) 125
C) 135
D) 150
Solution:
Dark chocolates = 45 %
White chocolates = 35 %
Milk Chocolates = 20 %
Total = 100 %
500 people were surveyed
=> 100 % = 500
Dark chocolates = 500 * 45 / 100 = 225
White chocolates = 500 * 35 / 100 = 175
Milk Chocolates = 500 * 20 / 100 = 100
Total = 500
Dark chocolates = 225
Milk Chocolates = 100
people preferred dark chocolate over milk chocolate = 225 - 100 = 125
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