Question

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

Answer 1

Fraction = 68 over 80 divide by two twice 17 over
20
Percent = 68/80 = 0.85 x 100 = 85%

Decimal = 0.85

Answer 2

Answer: a)
`(68)/(80)`

b)85%

c)0.85

Explanation:

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

Thus, Total answers = 80

Correct answers= 68

In fraction,

`\frac{\text{correct answers}}{\text{total answers}}=(68)/(80)`

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

`(17)/(20)`

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

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