Question

Part A: The Rodriguez family buys 4 adult tickets, 4 senior tickets, and 5 child tickets to the aquarium. The expression 4(a + 12) + 5(8) represents the total cost of the tickets. Use properties and operations to rewrite this as an equivalent expression.
part B: Evaluate the expression from part A for a=15. How much did the Rodriguez family spend on tickets to the aquarium? show your work.

Answer 1

Answer: Part A An equivalent expression of 4(a + 12) + 5(8) is 4a + 4(12) + 5(8)

or 4a + 48 + 40

Part B:  using 15 in place of a,  the Rodriguez family spent $148 on tickets.

Step-by-step explanation: We can use the distributive property to create equivalent expressions.

Part B:  Substitute 15 in place of a and do the calculations

4(15 + 12) + 5(8)

60 + 48 + 40

148