1. Nicole usually scores between 89%

and 100% on her math quizzes,

unless the quiz is the day after a track

meet. On the quizzes she takes right

after a track meet, she has about an

11% decrease in her scores. If Nicole

had a track meet the day before a

quiz, what would she score on the

quiz?

A Between 70% and 78%

B Between 79% and 89%

C Between 90% and 99%

D Between 100% and 111%

Question

Mathematics

Ciara Cochran

18 May, 20:45

1. Nicole usually scores between 89%

and 100% on her math quizzes,

unless the quiz is the day after a track

meet. On the quizzes she takes right

after a track meet, she has about an

11% decrease in her scores. If Nicole

had a track meet the day before a

quiz, what would she score on the

quiz?

A Between 70% and 78%

B Between 79% and 89%

C Between 90% and 99%

D Between 100% and 111%

+5

Answers (1)

Know the Answer?

Veronica Leach · Answer 1

The Answer is: B. 79% and 89%

Step-by-step explanation:

Subtract 11% from 89 and 100 to get the range:

89 - (89*.11) =

89 - 9.79 = 79.21

100 - (100*.11) =

100 - 11 = 89