tiana wants to purchase a keyboard at howards music store she has a coupon that states $150 off for each 500 spent what is the price of the keyboard with this coupon (before tax)

Answer

The price of the keyboard with the coupon (before tax) is y dollars, where y = x - floor(x/500)*150.

Q: How much does the keyboard cost (before the coupon)? A: The cost of the keyboard without the coupon is not specified in the question.
Q: How much does Tiana intend to spend on the keyboard? A: The amount that Tiana intends to spend on the keyboard is not specified in the question.
Q: How much money is Tiana saving with the coupon? A: The coupon provides $150 off for each $500 spent. We need to know how much Tiana intends to spend to determine how much she will save.
Q: How much money is Tiana saving with the coupon? A: Tiana has a coupon that offers $150 off for each $500 spent. We don't know how much Tiana intends to spend, so we'll use some variables to represent that. Let x be the amount that Tiana spends on the keyboard. Then, the amount of money that Tiana saves with the coupon is floor(x/500)*150.
Q: What is the price of the keyboard with the coupon? A: We know that Tiana has a coupon that offers $150 off for each $500 spent, and we know how much money Tiana saves with the coupon. Let the price of the keyboard with the coupon be y. Then, y = x - floor(x/500)*150.