The sale price s (in dollars) of an item is given by the formula s=l−rl, where l is the list price (in dollars) and r is the discount rate (in decimal form).r=1-  s/lthe list price of the shirt is $30. what is the discount rate?

Discount rate of the item will be .

Step-by-step explanation:

The given formula is S = L - rL

Here S = sale price of an item

r = Discount rate

L = List price of the item

S - L = - rL

L - S = rL

Now we have to calculate the discount price of the shirt when it's list price is $30.

By replacing L = 30 in the given formula

Discount rate of the item will be .

pla·gia·rism

/ˈplājəˌrizəm/

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noun

the practice of taking someone else's work or ideas and passing them off as one's own.

step-by-step explanation:

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