Chantelle has signed up for hockey. her parents set a limit of $400 for costs for the season. it costs $250 to sign up plus $5 for each ice-time. what is the maximum number of ice-times that chantelle can go to

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.