Question

Marcy completed her science test and got 20% of the questions incorrect. There was a total of 80 questions. How many did she get correct?

Is Kai correct or incorrect?justify your thinking

Answer 1

64 correct answers

Explanation:

Marcy completed her science test and got 20% of the questions incorrect. There was a total of 80 questions. How many did she get correct?

20% of 80 questions were wrong so, 80% of the questions were answered correctly:

80% = 0.8

0.8 * 80 = 64

64 correct answers

Answer 2

Below

Explanation:

20% INcorrect means 80% CORRECT

80% is .8 in decimal

.8 X 80 = 64 questions correct