At a laundromat, it costs $4 for a washer and a quarter for every 10 minutes in the dryer. Samantha does 2 loads of laundry in the wash and then divides all the washed clothes equally into 3 separate dryers. If she lets the dryers run for 40 minutes each, how much does she spend altogether?
Samantha spends $4 x 2 = $
<gadget id="calculator">4*2</gadget>
<output>8</output>
8 on washing.
Each dryer costs 25 x 4 = 100 cents = $1.
Three dryers cost 1 x 3 = $
<gadget id="calculator">3</gadget>
<output>3</output>
3.
Altogether, she spends 8 + 3 = $
<gadget id="calculator">8+3</gadget>
<output>11</output>
11.

<result>11</result>