Barbara baked 280 cupcakes. She gave 40 cupcakes to Ahmad and some cupcakes to Ethan. She had
47 of the total cupcakes left.
- How many cupcakes did she have left?
- What fraction of the total cupcakes did she give to Ethan?
(a)
Total number of cupcakes = 7 u
7 u = 280
1 u = 280 ÷ 7 = 40
Number of cupcakes that Barbara had left
= 4 u
= 4 x 40
= 160
(b)
Number of cupcakes that Tina gave to Ethan
= 280 - 160 - 40
= 80
Fraction of the total cupcakes that Barbara gave to Ethan
=
80280=
27Answer(s): (a) 160; (b)
27