 
<translate> Ajụjụ m bụ: Greg agbazinyere nwanne ya nwanyị bụ́ Tessa ego n'ọtụtụ oge. Greg dere ụgwọ nile nwanne ya nwanyị ji n'akwụkwọ o ji ede ihe, nke mbụ ọ gbazinyere ya $40. Ka otu izu gasịrị, Tessa kwụghachiri ya ọkara ụgwọ o ji ya. Ụbọchị ole na ole ka e mesịrị, ọ rịọkwara ya ka o nyekwuo ya $10 ọzọ. Ego ole ka Tessa ka ji Greg ụgwọ? Ihe i chere: <eng> My question is: Greg has lent his sister Tessa money on several occasions. Greg writes down all of his sister's debts in a notebook, the first time he lent her $40. A week later, Tessa paid him back half of her debt. A few days later she asked him for $10 more. How much does Tessa still owe Greg? Your thoughts: 