For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result.

soccer-7
hockey - 5
volleyball - 2

suppose all 100 students in the grade were asked to name their favorite sport. how many students would you expect to say " soccer"

1. 👍 0
2. 👎 0
3. 👁 349
1. 7/20 like soccer. We can set up a proportion and cross multiply.

7/20 = x/100

20x = 700

x = 35

Another way to do this problem:
100/20 = 5
5 * 7 = 35

1. 👍 0
2. 👎 0

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