rosa sells pens. she pays $0.75 for each pen and sells them for $1.25 each. she uses the expression 1.25p-0.75p, where p is the number of pens she sells, to calculate her profit. if rosa sells 48 pens, what is her profit?

The profit is $24

Step-by-step explanation:

Step one:

given the expression for the profit made as

we are told that p is the number of pens, hence for p= 48 by substituting into the expression we can find the profit as

Step two:

Profit= 1.25p-0.75p,

Profit= 1.25(48)-0.75(48),

Profit= 60-36

Profit=24

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