8
QuizMultiple Choice
Rational Numbers
Question 8 • * SY2025-26 - 1205040 M/J Grade 7 Mathematics Sem 1 CR
Arsha predicted that she would sell 225 magnets. She actually sold 240 magnets. What are the values of a and b in the table below?Percent ErrorItemApproximate valueExact valueErrorAbsolute errorRatioPercent errorMagnets225240 ab
Answer
A
a = Negative StartFraction 15 over 225 EndFraction; b = negative 6.7 percent
B
a = Negative StartFraction 15 over 240 EndFraction; b = negative 6.25 percent
C
a = StartFraction 15 over 240 EndFraction; b = 6.25 percent
D
a = StartFraction 15 over 225 EndFraction; b = 6.7 percent