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Sagot :

Answer:

a) 20% of the people like Vanilla

all the percenteces added equal 100%

100% = 42.5% + 37.5% + x

100% = 80% + x

20% = x

b) 3610 people like chocolate

47.5% of 7600 people liked chocolate

47.5% • 7600

0.475 • 7600

3610

c) 2850 people liked strawberry and 1520 people liked vanilla

do the same thing for vanilla and strawberry

Strawberry:

37.5% • 7600

0.37.5 • 7600

2850

Vanilla:

20% • 7600

0.2 • 7600

1520