Final answer:
Dylan's total spending for movie tickets and popcorn is represented by the algebraic expression '10x + 3.50y', where 'x' is the number of movie tickets and 'y' is the number of popcorn bags.
Step-by-step explanation:
The algebraic expression for the total amount Dylan spent on movie tickets and bags of popcorn is calculated by adding the cost of each item multiplied by the quantity purchased. Since Dylan bought x movie tickets for $10.00 each and y bags of popcorn for $3.50 each, the algebraic expression is:
10x + 3.50y
This expression can be used to calculate the total amount spent by plugging in the values for x and y.