Question

You’ve earned 52%, 78%, 52%, and 64% on our previous for exams in a math class what do you need to earn on the next exam to have an average of 70% among all exams?

Answer 1

Answer:

You'd better hope for some bonus points on the last exam, because you need 104%.

Step-by-step explanation:

70% * 5 = 350%

52% + 78% + 52% + 64% + x% = 350%

246% + x%  = 350%

x% = 104%

Answer 2

The marks that should be earned on the next exam should be 108%.

Given that,

• The earned percentage is 52%, 78%, 52%, and 64%.
• And, the average is of 70%.
• We assumed there are 5 exams.

Based on the above information, the calculation is as follows:

Since there is the average of 70%, so the total should be 350%.

Now the earning on the next exam should be

= 350% - 52% - 78% - 52% - 64%

= 104%

Therefore we can conclude that the marks that should be earned on the next exam should be 108%.

Learn more: brainly.com/question/23004079