Sarah went on a one-day bus tour from las vegas to the grand canyon. the cost of the bus ticket was$80. shealsopaid15%ofthecostoftheticket as a tip to the bus driver. what was the amount of the tip that sarah paid the bus driver? a $5 b $12 c $15 d $19

Hi there, 
To find the amount of the tip, you would have to find 15% of the cost of the ticket. To do that, you would have to convert 15% to a decimal, it would be 0.15. Then, you multiply that by 80. That would give you 12. 

So, the answer would be B)$12

Hope this helped!