Let's start by setting up the equation.
The reduced bill can be determined by subtracting the cost of the dessert from the original bill, so the reduced bill is given by b - 12.
Now let's consider the tip. Since Stan tipped the waiter 20% on the reduced bill, the tip is 20% of (b - 12), which can be expressed as (0.2*(b - 12)).
According to the problem, the tip amounts to $15. Therefore, we can set up the equation:
0.2*(b - 12) = 15
Now we can solve this equation to determine the original bill, b.
Stan took Lily to his friend’s restaurant on a date. The friend told the waiter to remove the $12 dessert from Stan’s bill. Stan tipped the waiter 20% on the reduced bill, which was a $15 tip. Fill in the blanks to write an equation that will determine the amount of the original bill, b .(2 points)
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