Irene had a sum of money. She spent an equal amount of money daily. At the end of the tenth day, she was left with
710 of her money. At the end of the twelfth day, she was left with $160. How much money did she have at first?
Fraction of amount of money spent in 10 days
= 1 -
710 =
310 Fraction of amount of money spent in 1 day
=
310 ÷ 10
=
310 x
110 =
3100 Fraction of amount of money spent in 12 days
= 12 x 3100
=
925 Fraction of amount left after 12 days
= 1 -
925=
162516 u = 160
1 u = 160 ÷ 16 = 10
Total amount that Irene had at first
= 25 u
= 25 x 10
= $250
Answer(s) $250