If they ate 60% of the pieces of cake, the friends ate 60/100 * 240 pieces = <<60/100*240=144>>144 pieces of the cake.

The total number of pieces remaining is 240 pieces - 144 pieces = <<240-144=96>>96 pieces

When Juelz divided the remaining pieces of cake to his sisters, each sister received 96 pieces / 3 sisters = <<96/3=32>>32 pieces/sister

# Answer

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<|im_start|>system
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<|im_start|>user
Forest and his friends have prepared a birthday cake for their friend Juelz having 240 cake pieces. After singing the birthday song, they ate 60% of the cake's pieces, and later, Juelz divided the remaining pieces among his three sisters. What is the number of pieces of cake each sister received?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
32
Forest and his friends have prepared a birthday cake for their friend Juelz having 240 cake pieces. After singing the birthday song, they ate 60% of the cake's pieces, and later, Juelz divided the remaining pieces among his three sisters. What is the number of pieces of cake each sister received?
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