Question

Mary needs a 90% on her final exam to get an a for the quarter.The exam has 75 questions how many questions does Mary need to answer correctly in order for her to get an A

Answer 1

Answer: 68 questions

Explanation:

Given Data:

Exam questions = 75

Percentage needed by Mary for the quarter = 90%

therefore:

Total number of questions she needs to answer to get an A

= exam questions x percentage needed /100

= 75 * 90 / 100

= 6570 / 100

= 67.5

Approximately Mary needs to answer 68 questions correctly to score an A for the quarter