Question

A survey was conducted in the class about their favorite subjects. 35% of the class voted for Math and Science. 45% of the class voted for Math. Find the percent of the class who voted for Math also voted for Science.

Answer 1

It is 28 votes more as
Maths=1-(1/5 + 1/4)
=11/20
=44 votes
No. of votes for English=80*1/5=16 votes
Difference=44-16 votes
=28 votes
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Answer 2

The percent of the class who voted for Math also voted for Science is 20%.

Given:

35% of the class voted for Math and Science.

45% of the class voted for Math

To find:

The percent of the class who voted for Math also voted for Science.

Solution:

Voted for Math and Science = 35%

Voted for Math = 45%

Voted for math and science = 100 - 35 - 45

= 20

The percent of the class who voted for Math also voted for Science is 20%.

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