Answer :
Jocy, this is the solution:
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Total bill = $ 31.84
Coupon = 15% or 0.15
Bill after Trey and his friends paid using the coupon = 31.84 * (1 - 0.15)
Bill after Trey and his friends paid using the coupon = 31.84 * 0.85
Bill after Trey and his friends paid using the coupon = 27.06
Now, we split the bill evenly:
27.06 / 3
$ 9.02
Do you understand the solution?
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