<PRE><B>Question 1124083</B>
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The cost of a 300 minute calling card is 15.00$. 
A) what is the charge per minute? How do you know ? (I think it’s 20cents per minute because I divided 300 into 15.00, but I’m not sure) 
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15 DOLLARS for 300 MINUTES


{{{(15/300)(DOLLARS/MINUTES)}}}


{{{15/(15*2*10)}}}


{{{1/20}}} {{{DOLLARS/MINUTE}}}</PRE>