Babul attended five tests during the semester and the average of his test scores was 87. If has average score after first three tests were 85, what was the average of his 4th and 5th test?
Created: 6 years ago |
Updated: 2 years ago
best des
Total of five test scores = 5 x 87 = 435
Total of first three test scores = 3 x 85 = 255
Total of last two test scores = 435 - 255 = 180
Therefore, averaage of 4th & 5th test scores = 180/2 = 90.
Md Azizur Rahman
Founder of Satt
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