Question

Question 10
Some students were asked their favourite colour and the data was plotted on a pie
chart as shown. If 20 students like the colour blue, how many students like the colour
red and how many students were interviewed in all?
Blue 10%
Violet 40%
Red 20%
Green 30%
​

Answer 1

Answer:

here is your answer:::

Step-by-step explanation:

blue= 20 or 10%

so 10%= 20

1%= 2

so 100%= 200

all interviewed 200

and red = 20%

1%=2

so 20%= 2×20=40

hope u understand

Answer 2

Step-by-step explanation:

Blue = 20 or 10%

So, 10% = 20

1% = 2

So, 100% = 200

all interviewed = 200

and red = 20%

1% = 2

so, 20% = 2× 20 = 40

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