20/100 = 0.2
0.2 * 39.50 = 7.90
They should leave a $7.90 tip.
5/100 = 0.05
39.50 * 0.05 = 1.975 and rounds to 1.98
They should pay $1.98 in sales tax.
Answer:
7 units
Step-by-step explanation:
hope I helped today
45 for 5 and 34 for 6.
You are just subtracting by 11.
