Ramon wants to balance his checking account. he has $2,340 in the account. he writes a check for $140. he deposits a check for $268. how much does ramon have left in his checking account?

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.