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A student has a class with four tests, each worth 100 points, and has earned these
scores on the first three tests: 75, 74, 71. What is her average now? What score must
she earn on the fourth test to get a B (80) in the class?

Respuesta :

The student's average is 73.33.

The score on the fourth test to have a B is 100.

What is the average?

The average can be determined by adding the scores and dividing it by the total scores.

Average on the first three scores : (75 + 71 + 74) / 3

220 / 3 = 73.33

Score on the fourth test to get an 80: 80 = (220 + x) / 4

80 x 4 = 220 + x

320 = 220 + x

x = 320 - 220

x = 100

To learn more about average, please check: https://brainly.com/question/25842202

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