4
QuizMultiple Choice
Scale Factor
Question 4 • * SY2025-26 - 1205040 M/J Grade 7 Mathematics Sem 1 CR
Simonne predicted that she would sell 99 picture frames. She actually sold 88 picture frames. What are the values of a and b in the table below? Round to the nearest tenth if necessary.Percent ErrorItemApproximate valueExact valueErrorAbsolute errorRatioPercent errorPicture frames9988 ab
Answer
A
a = StartFraction 11 over 99 EndFraction; b = 11.1 percent
B
a = StartFraction 11 over 88 EndFraction; b = 12.5 percent
C
a = StartFraction 88 over 99 EndFraction; b = 88.9 percent
D
a = StartFraction 11 over 11 EndFraction; b = 100 percent