Justine answered 68 questions correctly on an 80 questions test .express this amount as fraction, percent and decimal

a)

b)85%

c)0.85

Step-by-step explanation:

Given : Justine answered 68 questions correctly on an 80 questions test .

Thus, Total answers = 80

Correct answers= 68

In fraction,

On dividing both numerator and denominator by 4, we get fraction in simplest form

To convert in decimal divide 17 by 20 , we get 0.85

To convert in percent multiply 100 to the decimal, we get 85%

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

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