3
QuizMultiple Choice
Changing a Scale
Question 3 • FL-1205040-M/J Grade 7 Mathematics B -GF
Thuy planned for a square table to have a side length of 30 in. but found that it could be a little bigger at 39 in. She found the change of scale below.What is Thuy’s error?
Answer
T
Thuy should have written the ratio as .
T
Thuy should have written the ratio as .
T
Thuy should have divided both numbers by 6.T
Thuy should have divided both numbers by 13.