Answer the following question, with explanation first.
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?

6
The cost of a slice of cake is $2.

40 x 3 / 4 = $1.

80.

So, 2 slices of cake cost $1.

80 x 2 = $3.

60.

Therefore, 2 slices of cake and 1 cup of milk tea cost $3.

60 + $2.

40 = $6.

.

So, the answer is 6