The cost of a slice of cake is three-fourths of the cost of a cup of milk tea. If the milk tea costs $2.40, how much do 2 slices of cake and 1 cup of milk tea cost?
The cost of a slice of cake is $2.40 x 3/4 = $<<2.4*3/4=1.80>>1.80.
So, 2 slices of cake cost $1.80 x 2 = $<<2*1.80=3.60>>3.60.
Therefore, 2 slices of cake and 1 cup of milk tea cost $3.60 + $2.40 = $6.
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