Jacobbulls7 Jacobbulls7

28-01-2021
Mathematics

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Rueben has scores of 70, 75, 83, 80 on four Spanish quizzes. What score must he get? on the next quiz to achieve a quiz average of at least 80?

Rueben has scores of 70 75 83 80 on four Spanish quizzes What score must he get on the next quiz to achieve a quiz average of at least 80 class=

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clarch19 clarch19

28-01-2021

Answer:

92

Step-by-step explanation:

let 'q' = score on last quiz

70 + 75 + 83 + 80 + q ≥ 80

5

cross-multiply:

308 + q ≥ 5(80)

308 + q ≥ 400

q ≥ 92

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