Linda has scored 84, 93, 91, and 60 on her previous four tests. What score does she need on her next test so that her average (mean) is 82?

asked Mar 13, 2021 3.5k views

2 votes

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6 votes

Answer:

She needs to score 82

Explanation:

Mean of five test scores = 82

Let the score she got in fifth test = x

$(84+93+91+60+x)/(5)=82\\\\(328+x)/(5)=82\\\\328+x=82*5\\\\328+x=410\\\\x=410-328\\\\x=82$

Saebekassebil answered Mar 19, 2021

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