On a test, the number of ellies correct answers to incorrect answers problems was 5:2. If Ellie had 45 correct answers, how many incorrect answers did she have?

Question

math for 6th grade.

Answer 1

5/2 = 45/x

Multiplying numerator by 9 gives 45.

Hence 2 multiplied by 9 gives x=18

5/2 =45/18 (equivalent fractions)

She had 18 incorrect answers.