Question

Brendan got 31 questions correct on his social studies test and missed 9 questions. What percent did he have correct? (Express as tenths.)
29.0
34.4
77.5
129.0

Answer 1

Your answer would be the third one, 77.5.

Answer 2

Hi there! The correct answer is 77.5

To find the percentage of correct answers we use the following formula:
$\frac{part}{total} \times 100\%$

Filling in this formula gives:
$\frac{31 \: correct \: answers}{40 \: answers \: in \: total} \: \times 100\% = 77.5\%$

Hence, the correct answer is 77.5