A dance studio offers lessons to students. It costs $25 per session to rent the studio plus $1.50 per student per session. At present, the dance studio has 10 students and is rented 3 days a week. How much are the expected earnings of the dance studio in a month?
The total earnings from 10 students is $1.50 x 10 = $
<gadget id="calculator">1.50*10</gadget>
<output>15</output>
15 per session.
So the total earnings per session is $15 + $25 = $
<gadget id="calculator">15+25</gadget>
<output>40</output>
40.
Thus, every week the dance studio earns $40 x 3 = $
<gadget id="calculator">40*3</gadget>
<output>120</output>
120.
Therefore, it will earn $120 x 4 = $
<gadget id="calculator">120*4</gadget>
<output>480</output>
480 in a month.

<result>480</result>