Question

a pair of shoes cost x dollars. if there is a 30% discount, write the expression to show final amount

Answer 1

f = 0.30(x)

Explanation:

Let x = # of dollars

Let f = final amount

Note that 30% is the same as 30/100, which in decimal form is 0.30

Set the equation.

Each pair of shoes costs x amount, in which it is decreased by 30%, which leads to the cost in f amount.

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