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yulyashka [42]
2 years ago
13

4. At a school fair, 30% of the pies sold had cheese filling, 25% had beef filling and the remaining 90 pies had potato filling.

a) The percentage of the pies that had potato filling = %. b) The number of pies sold at the fair - pies. c) How many more cheese pies than beef pies were sold at the fair? more cheese pies were sold than beef pies.​
Mathematics
1 answer:
astra-53 [7]2 years ago
6 0

Answer:

Step-by-step explanation:

a) Percentage of potato filling = 100 - (30 + 25) = 100 - 55 = 45 %

b) Let the number of pies sold = x

45% of x = 90

\dfrac{45}{100}*x=90\\\\\\x=90*\dfrac{100}{45}\\\\\\x=2*100\\

Number of pies = 200

c) Number of cheese filling = 30% of 200    

                                             =\dfrac{30}{100}*200\\\\= 30*2\\\\\\= 60

Number of beef pies = 25% of 200

                                   =\dfrac{25}{100}*200\\\\\\=25*2\\\\= 50

Difference = 60 - 50 = 10

There are 10 more cheese pies than beef pies.

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