500
After w weeks, a student has saved 20 + 8w dollars. How much money has the student saved after 17 weeks?
Step A: Write and evaluate the expression that represents the scenario.
Step B: How much would the student have saved after 22 weeks? Explain what you know about the order of
operations and algebraic expressions to justify your answer
What is
Step A: 20+8(17)=20+ 8(17) = 20+ 136 = 156
Step B: 20 + 8(w) = 20 + 8(22) = 20 + 176= 196