Sarah had a sum of money. She spent an equal amount of money daily. At the end of the tenth day, she was left with
47 of her money. At the end of the thirteenth day, she was left with $248. How much money did she have at first?
Fraction of amount of money spent in 10 days
= 1 -
47 =
37 Fraction of amount of money spent in 1 day
=
37 ÷ 10
=
37 x
110 =
370 Fraction of amount of money spent in 13 days
= 13 x 370
=
3970 Fraction of amount left after 13 days
= 1 -
3970=
317031 u = 248
1 u = 248 ÷ 31 = 8
Total amount that Sarah had at first
= 70 u
= 70 x 8
= $560
Answer(s) $560