arnold has x amount of money in his checking account. he spends $12.36 for breakfast but has at least $31.24 left in his account. how much money did he have originally? question 3 options: a) he had at least $41.26 in his account. b) he had at least $52.48 in his account. c) he had at least $40.97 in his account. d) he had at least $43.60 in his account.