Students at a cooking school made a supersized rectangular pizza for a class party. Lupita cut the pizza into 3 equal pieces. Th
1 answer:
You might be interested in
Answer:
Let x be the percentage score he got in fifth test,
According to the question,
His score in first, second, third and fourth test are 80%, 84%, 76% and 77% respectively,
Thus, the average of his total score in the five test,
=
But, Again according to the question,
The average of the five grades as greater than or equal to 80%
That is,
⇒
⇒
⇒
Thus, the least score he can get in the fifth test is 83.