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can you help me find this solution if you can explain it to me please also

Can You Help Me Find This Solution If You Can Explain It To Me Please Also class=

Sagot :

First we have to find how many chose cat:
100-48-14-2= 36%. Because the whole thing is 100% and I removed all the other animals to find the percentage of cats chosen.
Then we want to know the number of classmates:
Cat= 36% of 50 people = 0.36 x 50=18
Fish= 14% of 50 people = 0.14 x 50= 7
Now we see the difference between them :
18-7=11 people

The answer is D which is 11.