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never [62]
3 years ago
12

Reuben has scores of 70,75,83, and 80 on four spanish quizzes. what score must he get on the next quiz to achieve an average of

at least 80?
Mathematics
2 answers:
Ludmilka [50]3 years ago
6 0
Ok well If he gets a 92 percent he will have a 80!! :)

Sergio [31]3 years ago
4 0
X - the score he must get

\frac{70+75+83+80+x}{5} \geq 80 \\
\frac{308+x}{5} \geq 80 \\
308+x \geq 400 \\
x \geq 92

He must get at least 92 points.
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