Anna spent 49 of her money and an additional $10 on some staplers. She spent 15 of her remaining money and an additional $20 on files. She spent 23 of the rest of the money on pens. Given that Anna was left with $12, how much money did she have at first?
Fraction of the rest of the money left
= 1 -
23=
1313 of the rest of the money = 12
33 of the rest of the money
= 12 ÷ 1 x 3
= 36
Amount of the rest of the money + 36
= 1 -
15=
45 45 of the remaining money
= 36 + 20
= 56
55 of the remaining money
= 56 ÷ 4 x 5
= 70
Amount of the remaining money + 10
= 1 -
49 of her money
=
59 of her money
59 of the total money
= 70 + 10
= 80
99 of the total money
= 80 ÷ 5 x 9
= $144
Amount that Anna had at first = $144
Answer(s): $144
