Shiyun baked 280 cupcakes. She gave 40 cupcakes to Caden and some cupcakes to David. She had
37 of the total cupcakes left.
- How many cupcakes did she have left?
- What fraction of the total cupcakes did she give to David?
(a)
Total number of cupcakes = 7 u
7 u = 280
1 u = 280 ÷ 7 = 40
Number of cupcakes that Shiyun had left
= 3 u
= 3 x 40
= 120
(b)
Number of cupcakes that Tina gave to David
= 280 - 120 - 40
= 120
Fraction of the total cupcakes that Shiyun gave to David
=
120280=
37Answer(s): (a) 120; (b)
37