Diana baked 81 cupcakes. She ate
23 of them.
- How many cupcakes had she eaten?
- How many cupcakes had she left?
(a)
Total number of cupcakes baked = 3 u
3 u = 81
1 u = 81 ÷ 3 = 27
Number of cupcakes that Diana ate
= 2 u
= 2 x 27
= 54
(b)
Number of cupcakes that Diana had left
= 81 - 54
= 27
Answer(s) : (a) 54; (b) 27