Shiyun spent 79 of her money and an additional $14 on some pencils. She spent 110 of her remaining money and an additional $15 on staplers. She spent 23 of the rest of the money on notebooks. Given that Shiyun was left with $7, 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 = 7
33 of the rest of the money
= 7 ÷ 1 x 3
= 21
Amount of the rest of the money + 21
= 1 -
110=
910 910 of the remaining money
= 21 + 15
= 36
1010 of the remaining money
= 36 ÷ 9 x 10
= 40
Amount of the remaining money + 14
= 1 -
79 of her money
=
29 of her money
29 of the total money
= 40 + 14
= 54
99 of the total money
= 54 ÷ 2 x 9
= $243
Amount that Shiyun had at first = $243
Answer(s): $243
