You spot a shirt for £97 you dont have enough money for it,so you borrow £50 off your dad £50 off your mum £50+£50=£100.You bought the shirt and had £3 change.You gave mum a £1 back dad a £1 back and you kept a £1 for yourself.You now owe mum £49,dad £49 =£98+ your £1 =£99 WHERE IS THE MISSING £1 ?
you are adding the £1 paying back instead of taking it from the debt.Money borrowed= £100
Money paid back= £2
Debit Balance =-£98
Credit Balance =£1
-£98+£1 =-£97
The pound isn't missing - you've got your final totals mixed up ;
Your final totals are the shirt (£97) ,your pound ,your mom's pound and your dad's pound . =£100 in total .