Jay Low received scores of 87 and 98 on his first two exams of the grading period. At least what score must jay earn on the next exam for the test average to be at least a 93 for the grading period?

Respuesta :

wikk
(87 + 98) / 2
185 / 2
92.5 is his current grade

if we try 90 first
(185 + 90) / 3
91.7 isn't enough

92
(185 + 92) / 3
92.3 isn't enough

94
(185 + 94) / 3
93

He needs to get at least a 94 on his next quiz to end with a 93 in the class

Jay must score 94 on the next exam for the test average to be at least a 93 for the grading period

What is average?

"It is the ratio of the sum of all given observations to the total number of observations. "

For given question,

Jay Low received scores of 87 and 98 on his first two exams of the grading period.

Let his score on the next exam is 'x'.

The test average is 93

[tex]\Rightarrow 93=\frac{87+98+x}{3} \\\\\Rightarrow279=185+x\\\\\Rightarrow x=94[/tex]

Therefore, Jay must score 94 on the next exam for the test average to be at least a 93 for the grading period.

Learn more about average here:

https://brainly.com/question/12070497

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