a student achieved the following grades on his tests :87,95 ,76 and 88 percent . he wants 85 percent or better overall . what gr
ade should he must get in his last test to achieve that average
2 answers:
Answer:
Atleast 79
Step-by-step explanation:
Average 》 85
If 5 tests,
Sum 》 85×5
Sum 》 425
Let the fifth test score be X
X + 87 + 95 + 76 + 88 》 425
X 》425 - 346
X》79
Answer:
Step-by-step explanation:
87+95+76+88+x/5=85
346+x=85x5
x=425-346
x=79
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