Cathy spent 57 of her money and an additional $18 on some staplers. She spent 14 of her remaining money and an additional $20 on pencils. She spent 37 of the rest of the money on pens. Given that Cathy was left with $4, how much money did she have at first?
Fraction of the rest of the money left
= 1 -
37=
4747 of the rest of the money = 4
77 of the rest of the money
= 4 ÷ 4 x 7
= 7
Amount of the rest of the money + 7
= 1 -
14=
34 34 of the remaining money
= 7 + 20
= 27
44 of the remaining money
= 27 ÷ 3 x 4
= 36
Amount of the remaining money + 18
= 1 -
57 of her money
=
27 of her money
27 of the total money
= 36 + 18
= 54
77 of the total money
= 54 ÷ 2 x 7
= $189
Amount that Cathy had at first = $189
Answer(s): $189
