2] A treadmill counts each 14 mile run as one lap. The display on the treadmill shows the total number of laps run and highlight
s the portion of the current lap that has been completed.
(a) What is the total distance run for the display shown?
(a) What is the total distance run for the display shown?
1 answer:
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<u>Answer:</u>
96
<u>Step-by-step explanation:</u>
Let's assume that the marks needed in the next exam is . Then if the average becomes 90,
Now we can simply solve for :
⇒
⇒ [Multiplying both sides by 4]
⇒ [Subtracting 264 from both sides]
⇒
Therefore, you need to score 96 in your next exam to have an average of 90 on the four exams.