Question

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

Answer 1

This is actually a simple division problem. First, let as express this as a fraction. So in order to express it as 68 out of 80, we just have to write the fraction as 68/80. If we would express this in simplest form, then it will 17/20. After that, we will have express it as a decimal. To do this, we just have to divide it in order to get the decimal form. So if we do this, we will get an answer of 0.85. Now in order to turn it into a percentage, we have to multiply it by 100 and you will get 85%

Answer 2

$\frac{68}{80} = \frac{17\times 4}{20\times 4} = \boxed{\bf{\frac{17}{20} }}\\\\\frac{17}{20} = \boxed{\bf{0.85}}$

0.85 × 100 = 85%

68 questions answered correctly out of 80 can be expressed as:

a fraction: 17/20
a decimal: 0.85
a percent: 85%