Betty had a sum of money. She spent an equal amount of money daily. At the end of the seventh day, she was left with
710 of her money. At the end of the eleventh day, she was left with $592. How much money did she have at first?
Fraction of amount of money spent in 7 days
= 1 -
710 =
310 Fraction of amount of money spent in 1 day
=
310 ÷ 7
=
310 x
17 =
370 Fraction of amount of money spent in 11 days
= 11 x 370
=
3370 Fraction of amount left after 11 days
= 1 -
3370=
377037 u = 592
1 u = 592 ÷ 37 = 16
Total amount that Betty had at first
= 70 u
= 70 x 16
= $1120
Answer(s) $1120