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
