Angel’s scores on the first three algebra quizzes are 78, 66, and 94. What score must he earn on the fourth quiz to earn an average quiz score of 80? Please set up and solve this problem following the steps below: A. Define the unknown quantity in terms of one variable. B. Translate the question into an equation. C. Solve the equation, showing all work. D. Write a complete answer to the question asked.

okunyangae8

okunyangae8

Answered question

2022-08-08

Angel’s scores on the first three algebra quizzes are 78, 66, and 94. What score must he earn on the fourth quiz to earn an average quiz score of 80? Please set up and solve this problem following the steps below:
A. Define the unknown quantity in terms of one variable.
B. Translate the question into an equation.
C. Solve the equation, showing all work.
D. Write a complete answer to the question asked.

Answer & Explanation

Adelyn Mercado

Adelyn Mercado

Beginner2022-08-09Added 13 answers

(a) Let the score on the fourth quiz =x
(b) Given that average score= 80
238 + x 4 = 80
multiply both sides by 4,
Answer x=82

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