1. 25 + 10 + 5 + 1 + 1 = 42 cents.
   
2. 10 + 10 + 5 + 5 + 5 = 35 cents.  Need 4 coins adding to a total between 16 and 39 cents.  Must be 4 more nickels.
   
3. I have: 25 + 10 + 10 + 5 + 5 + 5 + 5 + 5 + 5 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 93 cents, but YOU have nothing.
   
4. 6 (to store) + 2 (part way home) + 2 (back to store) + 5 (back to store after bus) + 3 (half way home then ride) = 18 miles walking -- He rode the bus 5 miles and got a ride for 3 miles.

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