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50% of all the cakes Lucy bakes that week were party cakes: one fifth were fruit cakes and the remainder were sponge cakes. What percentage of cakes were sponge cakes ?
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50% of all the cakes Lucy bakes that week were party cakes: one fifth were fruit cakes and the remainder were sponge cakes. What percentage of cakes were sponge cakes ?

User Mohammad Madani
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1 Answer

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50%=5/10 1/5=2/10 5/10+2/10=7/10 10/10-7/10=3/10 so 3/10 were sponge cakes
User Waterloomatt
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