c. 12 (3 + y) – d. 9 y – Kim bought a binder for $5 and 4 notebooks for dollars each. She received a 30% discount on the items. n Write an expression for how much she spent. Do you think it Did it Evaluate Expression Why or why not? will (use = 3) work? n work? a. 0.70(5 + 4 + n) b. 0.70(4n + 5) c. 0.70(5n + 4n) d. 0.30(4n + 5) For each context below, draw a model for the situation, label all parts, and then write an that expression answers the question. The first exercise is done for you. Example: Jill bought 12 apples. Jan bought more apples than Jill. Write an expression to show how many x apples Jan bought. Jan bought 12 + apples. x Josh won 12 tickets. Evan won tickets fewer than Josh. Write an expression to represent the number of p tickets Evan won.
c. 12 – (3 + y) d. 9 – y Kim bought a binder for $5 and 4 notebooks for n dollars each. She received a 30% discount on the items. Write an expression for how much she spent. Expression Do you think it will work? Evaluate (use n = 3) Did it work? Why or why not? a. 0.70(5 + 4 + n) b. 0.70(4n + 5) c. 0.70(5n + 4n) d. 0.30(4n + 5) For each context below, draw a model for the situation, label all parts, and then write an expression that answers the question. The first exercise is done for you. Example: Jill bought 12 apples. Jan bought x more apples than Jill. Write an expression to show how many apples Jan bought. Jan bought 12 + x apples. Josh won 12 tickets. Evan won p tickets fewer than Josh. Write an expression to represent the number of tickets Evan won.