what is the least possible score does she need on the last exam to get an average of not less than 80
number 1 lang po sagutan ninyo respect my question
number 1 lang po sagutan ninyo respect my question
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Answer:
the answer is 92
Step-by-step explanation:
80×3=240
240-(71+77+80)=12
so 80(average score) + 12 =92
71+77+80+92=320
to get the average
320÷4= 80
so the answer is 92