Mathematics, 18.10.2020 21:01, Ibnushuaibabutalhah

Graziano predicted that he would sell 420 tablecloths. He actually sold 520 tablecloths. What are the values of a and b in the table below? Round the answer to the nearest tenth. Percent Error

Item
Approximate value
Exact value
Error
Absolute error
Ratio
Percent error
Tablecloths
420
520

a
b

a = Negative StartFraction 100 over 420 EndFraction; b = negative 23.8 percent
a = Negative StartFraction 100 over 520 EndFraction; b = negative 19.2 percent
a = StartFraction 100 over 520 EndFraction; b = 19.2 percent
a = StartFraction 100 over 420 EndFraction; b = 23.8 percent

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Graziano predicted that he would sell 420 tablecloths. He actually sold 520 tablecloths. What are th...