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

68 questions

Step-by-step 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

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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