In order to get a A in his math class, a student needs to get an average of a 95 on four tests. He scored a 94, 89, and a 98 on his first three tests. What score does he need on his fourth test to earn the A? Define the variable, write and solve an equation, and answer the question.

99

Step-by-step explanation:

let x be the score in his fourth test.

average is calculated as

average = , thus

= 95 ( multiply both sides by 4 )

281 + x = 380 ( subtract 281 from both sides )

x = 99

He needs a score of 99 on his fourth test.

i know the answer is 3

step-by-step explanation:

215.92 dollars is the answer