50% of all the cakes jenny baked that week were party cakes, 1/5 were fruits cake and the remainder were sponge cake. what is the percentage of the sponge cakes

30% sponge cakes.

Step-by-step explanation:

We have been given that 50% of all the cakes jenny baked that week were party cakes, 1/5 were fruits cake.

Let us convert 1/5 into percentage as:

Therefore, 20% of cakes are fruit cake.

Now, we will find remainder by subtracting 20 plus 50 percent from 100 percent as:

Therefore, the  percentage of the sponge cakes is 30%.

the answer is d

step-by-step explanation: