Answered

50% of all the cakes Jenny baked that week were party cakes, 1/5 were fruit cakes,and the remainder were sponge cakes.What percentage of cakes were sponge cakes?



Answer :

callmemrhonest
so.. 1/5=20%

50%+20%=70%

100%-70%= 30%

So 30% were sponge

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