Randy had 450 in his bank account on monday. on tuesday he wrote five checks for 24.50 each. on wednesday he made three deposits of 45 each how much money was in his bank account after the checks and deposits cleared

Cesar bought 7 items at the candy store. he bought candy bars for $0.50 each and packs of gum for $0.95 each. he spent a total of $6.80. what system represents the solution for the number of candy bars (x) and the number of pack gum (y) purchased?