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Mathematics 7 Online
OpenStudy (anonymous):

a boy has d dollars he buys n notebooks at c dollars each how many dollars does he have left write an algebraic representation i need to shown step by step

OpenStudy (bahrom7893):

d-n*c

OpenStudy (bahrom7893):

he has d initially but then for every notebook he subtracts c, so if he buys n notebooks he spends n*c dollars. Thus d-n*c

OpenStudy (kymber):

|dw:1332963036761:dw|

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