Shiyun had a sum of money. She spent an equal amount of money daily. At the end of the tenth day, she was left with
25 of her money. At the end of the fourteenth day, she was left with $80. How much money did she have at first?
Fraction of amount of money spent in 10 days
= 1 -
25 =
35 Fraction of amount of money spent in 1 day
=
35 ÷ 10
=
35 x
110 =
350 Fraction of amount of money spent in 14 days
= 14 x 350
=
2125 Fraction of amount left after 14 days
= 1 -
2125=
4254 u = 80
1 u = 80 ÷ 4 = 20
Total amount that Shiyun had at first
= 25 u
= 25 x 20
= $500
Answer(s) $500