Ms. Bhopla went to the shoe store. The man measured her feet, and told her that she had two choices. The first choice was a pink shoe in which she could run a total of 453 miles. Its cost was $90 including tax. The second choice was a purple shoe which cost $120 including tax, and she could run 604 miles.
1) Please use estimation (to the nearest 10) to figure out which shoe is the best price.
2) If Ms. Bhopla buys the purple shoe, how many days will the shoe last if she runs 3 miles a day?
3) If she runs 2 miles a day, and wears the pink shoe, how much does it cost her per day to wear the pink shoe?
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