Ursula bought five hot dogs at $1.50 each and three salads at $2.50 each. If she had two $10 bills, how much change did she get back?
Five hotdogs cost 5 x $1.50 = $
<gadget id="calculator">5*1.5</gadget>
<output>7.5</output>
7.50.
Three salads cost 3 x $2.50 = $
<gadget id="calculator">3*2.5</gadget>
<output>7.5</output>
7.50.
The total cost was $7.50 + $7.50 = $
<gadget id="calculator">7.5+7.5</gadget>
<output>15</output>
15.
And, Ursula had 2 x $10 = $
<gadget id="calculator">2*10</gadget>
<output>20</output>
20.
Therefore, Ursula got a change of $20 - $15 = $
<gadget id="calculator">20-15</gadget>
<output>5</output>
5.

<result>5</result>