sum or count? paper 21

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they wanted the total numbers of turbines

so it is count and i have checked with my teacher after the exam

it was right
 
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how to sum total number of turbines, u dont.. u actually count them~. I mean what makes me u think it's sum. there were similar questions in past papers where for e.g calculate the total number of cars.. we use count here not sum! :)
 
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how to sum total number of turbines, u dont.. u actually count them~. I mean what makes me u think it's sum. there were similar questions in past papers where for e.g calculate the total number of cars.. we use count here not sum! :)
dude there was only 1 car for each record in old papers but here for each record there was more than 1 turbine so it is obviously sum
 
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