Mary spent
37 of her money on colouring books and
27 of her money on a sweater. If she was left with $18,
- what fraction of her money was not spent?
- how much money did she have at first?
(a)
Fraction of money spent
=
37 +
27=
57Fraction of money left
= 1 -
57=
27(b)
Amount that Mary had at first = 7 u
Amount that Mary had left = 2 u
2 u = 18
1 u = 18 ÷ 2 = 9
Amount that she had at first
= 7 u
= 7 x 9
= $63
Answer(s): (a)
27; (b) $63