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Alinara [238K]
3 years ago
12

You ask 120 randomly chosen students to name their favorite ice cream flavor. There are 1800 students in the school. Based on th

e results of the survey, predict the number of students in the school whose favorite ice cream flavor is chocolate chip.
Vanilla= 36
Chocolate=21
Strawberry=24
Chocolate Chip=39
Mathematics
1 answer:
Stella [2.4K]3 years ago
5 0
39/120 = x / 1800....39 choc. chip to 120 students = x choc. chip to 1800 students

now we cross multiply because this is a proportion
(120)(x) = (39)(1800)
120x = 70200
x = 70200/120
x = 585 <===

or u could do it this way as well...
39 out of 120 picked chocolate chip....
39/120 = 0.325 = 32.5%....so 32.5% chose chocolate chip.

32.5% of 1800 = 0.325(1800) = 585 <==
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