Opal bought some eggs to bake cakes for a party. If she used 4 eggs for each cake, she would be short of 15 more eggs to bake all cakes. If she used 6 eggs for each cake, she would be short of 65 more eggs.
- How many cakes did she bake?
- How many eggs did Opal buy?
(a)
Small difference
= 6 - 4
= 2
Big difference
= 65 - 15
= 50
Number of cakes that Opal bought
= 50 ÷ 2
= 25
(b)
Number of eggs that Opal bought
= 25 x 4 - 15
= 100 - 15
= 85
Answer(s): (a) 25; (b) 85