tim's current bank balance is $75. he adds a charge of -$31 when he buys lunch for him and his friend. write and expression and use a model to determine tim's bank account balance now.

75-31, is an expression that model tim's current bank account

44 dollars is his current balance)

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant