There are two babysitters named Mila and Agnes. Mila makes $10 an hour while Agnes makes $15 an hour. Agnes works 8 hours each week. How many hours does Mila need to work to earn as much as Agnes in a month?
The weekly salary of Agnes is $15 x 8 = $
<gadget id="calculator">15*8</gadget>
<output>120</output>
120.
So in a month, Agnes earns $120 x 4 = $
<gadget id="calculator">120*4</gadget>
<output>480</output>
480.
Therefore, Mila needs to work for $480 / $10 = 
<gadget id="calculator">480/10</gadget>
<output>48</output>
48 hours to earn as much as Agnes's monthly earnings.

<result>48</result>