Problem: tina bought some nail polish and lip gloss at the store. the nail polish cost $4.50 per bottle and lip gloss cost $7 per tube. tina bought 9 items and spent $50.50. how many of each item did she buy?
use this 4-step plan to answer the problem above!
step 1: understand. what are the facts? what are you asked to find? is there any information you will not use?
step 2: plan: how will you solve this problem? state which strategy you are choosing to use.
step 3: solve. show your steps. what is the solution?
step 4: check: also include your check. does your answer make sense?