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Mathematics 19 Online
OpenStudy (anonymous):

A store sells batteries in packet of 6 or 10. It has a stock of 25 packets containing a total of 186 batteries. How many of these are 10-battery packets?

OpenStudy (anonymous):

Solve the following: x + y = 25 6x + 10y = 186 Your answer is the value of y

OpenStudy (destinymasha):

y = 186

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