For the lunch it would be 20$
Answer:
The percentage is 
Step-by-step explanation:
Let
x-----> the number
we have

To find the percentage multiply by 100

Answer:
47.6 euros
Step-by-step explanation:
68 x .70 = 47.6
.70 = 70%
70% of 68
of means multiply
You turn the percent into a decimal and multiply
The graph would be a compressed inside down U shape
(-7,45) (-6,48) (-5,49) (-4,48) (-3,45)