Can someone please help me solve this

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?