on Monday morning, a mechanic has no cars in her shop. the table at right shows the number of cars dropped off and picked up each day. Find the total number of cars left in her shop on Friday.
pasting here does not work and we can not see your table of arrivals and departures.
Cars Dropped Cars Picked
Off Up
Monday 8 4
Tuesday 11 6
Wednesday 9 12
Thursday 14 9
Friday 7 6
Add the cars dropped off. Then subtract the cars picked up.
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To find the total number of cars left in the mechanic's shop on Friday, we need to keep track of the number of cars dropped off and picked up each day.
Here is the table showing the number of cars dropped off and picked up each day:
| Day | Cars Dropped Off | Cars Picked Up |
|--------|--------------------|-----------------|
| Monday | 0 | 0 |
| Tuesday| 2 | 1 |
| Wednesday| 3 | 2 |
| Thursday | 1 | 4 |
| Friday | 4 | 3 |
To find the total number of cars left on Friday, we can follow these steps:
1. Start with the number of cars on Monday, which is 0.
2. Add the number of cars dropped off on Tuesday: 0 + 2 = 2.
3. Subtract the number of cars picked up on Tuesday: 2 - 1 = 1.
4. Add the number of cars dropped off on Wednesday: 1 + 3 = 4.
5. Subtract the number of cars picked up on Wednesday: 4 - 2 = 2.
6. Add the number of cars dropped off on Thursday: 2 + 1 = 3.
7. Subtract the number of cars picked up on Thursday: 3 - 4 = -1.
8. Add the number of cars dropped off on Friday: -1 + 4 = 3.
9. Subtract the number of cars picked up on Friday: 3 - 3 = 0.
Therefore, the total number of cars left in the mechanic's shop on Friday is 0.