1. IC: Ch.6 – Day 1 HW: Extra Credit #2 Q3 Materials
Friday, 1/20/17
Write the IC and HW in your planner.
IC: Ch.6 – Day 1
Percents and Purpose 
HW: Extra Credit #2 Q3
Materials
Late work to turn in.
Math folder
Slate, marker, eraser
Planner, pencil 1 1 1 1

2. Slates Please
As the numbers start to come in…please write down what you think the pattern is. If you want to change an answer DO NOT ERASE, cross it out and write a different pattern below.
100%
10% 50 5 ?
130 13
165
16.5 4
0.4
19.4
1.94
6.97
0.697

3. ? 100% 20 10% 2 + 5% + 1 3 Let’s figure out how to tip!
We are going to start with whole dollar amounts to get started…
Let’s say the bill comes to exactly $20
Service was OK, but not spectacular.
100% 20
10% 2 ?
+ 5%
+ 1 3
Bill = $20
15% tip = $3
Meal total = $23

4. ? 100% 20 10% 2 + 10% + 2 4 Same meal, but this time…
Your waiter or waitress was stellar!
Let’s say the bill comes to exactly $20
This time we would leave a 20% tip!
100% 20
10% 2 ?
+ 10%
+ 2 4
Bill = $20
20% tip = $4
Meal total = $24

5. Now you can round to make it a little easier
Let’s figure out how to tip!
A little more realistic this time…
45.65
4.565
Now you can round to make it a little easier
≈4.60
Let’s say the bill comes to $45.65
Service was OK, but not spectacular.
100%
45.65
10%
4.60 ?
+ 2.30
+ 5%
6.90
Bill = $45.65
15% tip = $6.90
Meal total = $52.55

6. Now you can round to make it a little easier
Same meal, but this time…
Your waiter or waitress was
stupendous!
45.65
4.565
Now you can round to make it a little easier
≈4.60
Let’s say the bill comes to $45.65
100%
45.65
10%
4.60 ?
+4.60
+ 10%
9.20
Bill = $45.65
15% tip = $9.20
Meal total = $54.85

7. Slates!
The meal was $16.80
10%
10%
+ 5%
+ 10%
Total cost:
Total cost:

8. Slates! The meal was $105.98 10% 10% + 5% + 10% Total cost:

9. Still slates
Total before tax
Sales tax
This is what you tip on…

10. Still slates
10%
+ 5%
Total cost:
10%
+ 10%
Total cost:

11. Gratuity means that they have already tipped the wait staff 18% which is included in the total.
This means DON’T TIP UNLESS YOU WANT TO LEAVE A REALLY BIG TIP!

12. 10% 10% 10% 10% + 5% +10% + 5% +10% Total cost: Total cost:

13. _________________________
Based on the tip do you think it was good service or not good service? Explain. _________________________
_________________________
10%
10%
+ 5%
+10%
Total cost:
Total cost: