Matching Pairs 6.Sales Tax, Tips, and MarkupOnline version Finding total cost after percent increase by Erin Locklear 1 $14 meal; 20% tip 2 $75 dinner; 18% tip 3 $18.00 breakfast; 7% tax 4 $8.50 shorts; 6.5% markup 5 $24 lunch; 15% tip 6 $74.95 jacket; 5% sales tax $27.60 $16.80 $9.05 $19.26 $78.70 $88.50