Jen spent 79 of her money and an additional $18 on some pencils. She spent 19 of her remaining money and an additional $18 on pens. She spent 23 of the rest of the money on staplers. Given that Jen was left with $10, 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 = 10
33 of the rest of the money
= 10 ÷ 1 x 3
= 30
Amount of the rest of the money + 30
= 1 -
19=
89 89 of the remaining money
= 30 + 18
= 48
99 of the remaining money
= 48 ÷ 8 x 9
= 54
Amount of the remaining money + 18
= 1 -
79 of her money
=
29 of her money
29 of the total money
= 54 + 18
= 72
99 of the total money
= 72 ÷ 2 x 9
= $324
Amount that Jen had at first = $324
Answer(s): $324
