Answer:
$76.50
Step-by-step explanation:
First we need to find the price, without the discount.
We do this by adding the shirt cost and the pants cost.
Multiply 15 by 2 (since there are two shirts) to get 30
Multiply 20 by 3 (since there are three pants) to get 60
Add the two costs (60+30) to get 90
So it cost $90 without the discount, now we need to figure out what it will cost with the discount.
We first figure out what number to multiply for the discount. Remember that 1 would be 100% so .15 will be 15%
Then multiply 90 x .15 to get 13.5
13.5 ($13.50) is the discount
Now subtract 13.5 from 90 (90-13.5) to get 76.5
76.5 is equal to $76.50
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