briannafrank724 briannafrank724

01-06-2021
Mathematics

contestada

1. Annette scored 85. 73. and 94 on her first three quizzes. How high does she need to
score on her fourth quiz to keep her quiz average at at least a B (8046) ?

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mack3194 mack3194

01-06-2021

64. 80x4=320. 80 is a b average. 320-252=68. 252 is the total of her current grades.

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clarch19 clarch19

01-06-2021

Answer:

at least a score of 68

Step-by-step explanation:

(85+73+94+q)/4 ≥ 80

(252 + q)/4 ≥ 80

multiply each side by 4 to get:

252 + q ≥ 320

q ≥ 68

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