arminateo8835 arminateo8835

19-01-2020
Mathematics

contestada

Answered 36 problems correctly. The grade was 45%. They would like to score a 75% on the next retake test. How many more problems do they need to answer correctly.

Respuesta :

aidenroy37 aidenroy37

19-01-2020

Answer:

24

Step-by-step explanation:

0.45 = 36/x

x = 80, where x is the total number of questions

0.75 = z/80

z = 60, where z is the number of correct answers

60-36=24 more problems correct

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