So she has to drive 15 minutes, shop 30 minutes and drive 15 minutes back for a total of 1 hour. So it will cost her $90 in wages and $120 for the suit, a total of $210.Three shops carry the same suit. She can go to her local department store, located 15 minutes away from where she works, and pay $120 for the suit.
So half an hour to the store, half an hour shopping and half an hour back for one and half hours time. At $90 per hour that cost is 90+ 45= $125. The $90 for the suit brings it to a total of $215.She can travel to a shop across town, located 30 minutes away from where she works, and pay $90 for the suit.
One hour driving to the store, half an hour shopping, one hour driving back- two and a half hours which will cost 180+ 45= $225. Adding the $85 for the suit, it cost her $310.Finally, she can take a one-hour drive out of town to a neighboring city and pay $85 for the suit.