Asked by Patricia
A shopkeeper bought x pens for $21.
a) write down an expression, in terms of x, for the cost, in cents, of each pen
b) the shopkeeper gave 2 pens to his sons and sold each of the remaining pens at 8 cents more than he paid for it. Write down an expression, in terms of x, for the selling price of each pen.
a) write down an expression, in terms of x, for the cost, in cents, of each pen
b) the shopkeeper gave 2 pens to his sons and sold each of the remaining pens at 8 cents more than he paid for it. Write down an expression, in terms of x, for the selling price of each pen.
Answers
Answered by
Steve
c(x) = 2100/x
s(x) = c(x)+8 = 2100/x + 8
extra credit: how much money did he make on the sales?
s(x) = c(x)+8 = 2100/x + 8
extra credit: how much money did he make on the sales?
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