Question

50% of s cakes Lucy bakes are party cakes: 1/5 are fruit cakes, the remainder are sponge cakes. What's the percentage of sponge cakes?

Answer 1

First, we add all our percentages.

Which are 50%, 20%(1/5=0.2)= 70%/100
100%(total amount of percentages) - 70% = 30%

The remainder for sponge cakes : 30%