Final answer:
The algebraic expression for the given statement is 204-7x, representing Sandy's remaining money after spending $7 per day for x number of days.
Step-by-step explanation:
The algebraic expression for the given statement is A) 204-7x.This expression represents Sandy's remaining money after spending $7 per day for x number of days.Subtracting 7 times the number of days, x, from the initial amount of $204 gives us the remaining amount of money.