Mathematics, 01.02.2021 16:20 jakeevyhayov21py
A) Jack works out 25 x 14.2 without a calculator.
Here is his working. 10 x 14.2 = 14.20
20 x 14.2 = 28.40
5 x 14.2 = 71
25 x 14.2 = 28.40 + 71 = 99.40
Jack's working is incorrect.
Identify and (only) correct the lines containing a mistake to work out
the correct answer.
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Answers: 2
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A) Jack works out 25 x 14.2 without a calculator.
Here is his working. 10 x 14.2 = 14.20
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