13
QuizMultiple Choice

Simple Interest — Unit test

Question 13 • MO-Mathematics 7

Mrs. Garcia’s students were asked to find 220% of 75. Each of the students had a different method.Amy: “I multiplied 2.20 by 75 to find my answer.”Braden: “I created a table with columns for 100%, 100%, 20%, and 220%. Then I filled in the table and added the values.”Colton: “I created a table with columns for 100%, 10%, 10%, and 220%. Then I filled in the table and added the values.”Danielle: “I divided 75 by 5 to find 20%. Then I added 75 twice to what I found to get my final answer.” If all of the students completed their steps accurately, which student got the answer wrong?

Answer
A
Amy
B
Braden
C
Colton
D
Danielle