If the charge of staying in a student youth hostel $18.00/day for the first week, and $12.00/day for each additional week, How much does it cost to stay for 23 days? Choose the correct choice.
A) $318 B) $289 C) $282 D) $274 E) $286
Total number of days of stay = 23   Charge of staying in first week = 18*7= 
<gadget id="calculator">18*7</gadget>
<output>126</output>
126 $   Charge of staying for additional days=(23-7)*12 = 16*12= 
<gadget id="calculator">16*12</gadget>
<output>192</output>
192 $   Total charge=126 +192= 
<gadget id="calculator">126 +192</gadget>
<output>318</output>
318$   $318nswer $318
<result>A</result>
If the charge of staying in a student youth hostel $18.00/day for the first week, and $12.00/day for each additional week, How much does it cost to stay for 23 days?