Language test

Your language test scores are 58, 68, 89, and 95. What is the lowest you can earn on the next test and still achieve an average of at least 79?

Correct answer:

x =  85

Step-by-step explanation:

(58+68+89+95+a)/(4+1)=79  0.2a=17  a=0.217=85  a=85  x=a=85=85



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