3 years ago

your test grades are 85,74, and 91. What is the lowest grade you can get on the next test and have an average of at least 80

Mathematics

2 answers:

wariber [46]3 years ago

8 0

Answer:

Lowest grade is 70.

Step-by-step explanation:

To have an average of 80 the total score is 4 * 80 = 320.

So the score for the next test must be 320 - (85 + 74 + 91)

= 70.

max2010maxim [7]3 years ago

5 0

Answer:

Step-by-step explanation:

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