luvpenguins33 luvpenguins33

17-12-2014
Mathematics

Answered

Annette has finished 20 of her homework problems. That is 80% of the total assinged by her math teacher. How many pronlems were assinged?

The possible answers are:
16
25
30
32

Answer :

apologiabiology apologiabiology

17-12-2014

so 20=80%' % means out of 100 so 80%=80/100 so 20=80/100 we try to get to 100/100 so 20=80/100 5=20/100 5 times 20=100 so 25=100/100 there were 25 questions total

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