SOLUTION: A student has an average of 74 on three
tests. What grade on
the fourth test will
bring the average to 80
Algebra.Com
Question 879295: A student has an average of 74 on three
tests. What grade on
the fourth test will
bring the average to 80
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the average on three tests is 74, then the total score for the three tests must be 3 times 74. In order to have an 80 average, the total for the four tests must be 4 times 80. Hence, 4 times 80 minus 3 times 74 is what is needed for an 80 average.
John
My calculator said it, I believe it, that settles it
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