At Mario's barbershop haircuts are 50% more expensive during the weekends. If Mario paid $18 for his last haircut on Monday, how much he would have paid the day before?
Mario's $18 cut on Monday would have been 50% more expensive on Sunday or $18*50% = $
<gadget id="calculator">18*50*.01</gadget>
<output>9</output>
9 more expensive.
That means he would have paid $9 more on Sunday than what he paid ($18) on Monday or $9+$18 = $
<gadget id="calculator">9+18</gadget>
<output>27</output>
27.

<result>27</result>