gracestang03 gracestang03

19-09-2020
Mathematics

contestada

Suppose a student received a 6, 8, 6 on their first three quizzes each worth 10 points.
What would they have to receive on the fourth quiz to have a C (7 out of 10) average on quizzes? 2 points

Respuesta :

angelabum04 angelabum04

19-09-2020

Answer: 8

(6 + 8 + 6 + x) / 4 = 7
(20 + x) / 4 = 7
20 + x = 28
x = 8

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