Lou’s Shoes is having its annual Flag Day Sale and is offering a 25% discount on all regularly priced shoes. Kayla spends $13.50 buying sandals and sneakers. Determine which equation represents how much Kayla will spend on sandals after the discount.

A 25% discount means Kayla pays 75% of the regular price, so the sale price is 0.75 times the regular price. If sandals cost x dollars regularly and sneakers cost $10 regularly, their combined sale price is 0.75(x + 10). Since Kayla spends $13.50 total, the equation is $13.50 = 0.75(x + 10), choice A.

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