Marco predicted that he would sell 180 blankets. He actually sold 150 blankets. What are the values of a and b in the table below? Round to the nearest tenth if necessary.Percent ErrorItemApproximate valueExact valueErrorAbsolute errorRatioPercent errorBlankets180150 ab
Answer
A
a = StartFraction 30 over 180 EndFraction; b = 16.7 percent
B
a = StartFraction 30 over 150 EndFraction; b = 20 percent
C
a = StartFraction 150 over 180 EndFraction; b = 83.3 percent
D
a = StartFraction 30 over 30 EndFraction; b = 100 percent