Mathematics, 26.06.2020 15:01 plewse

Hassan predicted that he would sell 178 postcards. He actually sold 142 postcards. What are the values of a and b in the table below? Percent Error Item Approximate value Exact value Error Absolute error Ratio Percent error Postcards 178 142 a b

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Hassan predicted that he would sell 178 postcards. He actually sold 142 postcards. What are the valu...

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