Betty had a sum of money. She spent an equal amount of money daily. At the end of the ninth day, she was left with
710 of her money. At the end of the eleventh day, she was left with $266. How much money did she have at first?
Fraction of amount of money spent in 9 days
= 1 -
710 =
310 Fraction of amount of money spent in 1 day
=
310 ÷ 9
=
310 x
19 =
130 Fraction of amount of money spent in 11 days
= 11 x 130
=
1130 Fraction of amount left after 11 days
= 1 -
1130=
193019 u = 266
1 u = 266 ÷ 19 = 14
Total amount that Betty had at first
= 30 u
= 30 x 14
= $420
Answer(s) $420
