Jane bought some eggs to bake cakes for a party. If she used 3 eggs for each cake, she would be short of 12 more eggs to bake all cakes. If she used 7 eggs for each cake, she would be short of 68 more eggs.
- How many cakes did she bake?
- How many eggs did Jane buy?
(a)
Small difference
= 7 - 3
= 4
Big difference
= 68 - 12
= 56
Number of cakes that Jane bought
= 56 ÷ 4
= 14
(b)
Number of eggs that Jane bought
= 14 x 3 - 12
= 42 - 12
= 30
Answer(s): (a) 14; (b) 30