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The times taken to produce each of the first 4 batches of a new product were as follows:
batch number time taken
1 100mins
2 70mins
3 59mins
4 55minsWHAT WAS THE RATE OF LEARNING CLOSEST TO? (1 d.p)
The ANSWER is 84.3%
I cannot understand how in his workings he did r to the power of 2.
In my opinion it is r to the power of 3.Please help.
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