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To calculate the rate of change between Tuesday and Friday, we first need to look at the graph for the time spent on homework on both Tuesday and Friday.

- On **Tuesday**, the time spent was 12 minutes.
- On **Friday**, the time spent was 24 minutes.

The formula for the rate of change is:

\[
\text{Rate of change} = \frac{\text{Change in time}}{\text{Change in days}}
\]

The change in time is:

\[
24 \, \text{minutes (Friday)} - 12 \, \text{minutes (Tuesday)} = 12 \, \text{minutes}
\]

The change in days is:

\[
\text{Friday} - \text{Tuesday} = 3 \, \text{days}
\]

So, the rate of change is:

\[
\frac{12 \, \text{minutes}}{3 \, \text{days}} = 4 \, \text{minutes per day}
\]

Thus, the rate of change between Tuesday and Friday is **4 minutes per day**.

Would you like further details or clarifications? Here are some related questions to deepen understanding:

1. How would you calculate the rate of change between Monday and Wednesday?
2. What does a negative rate of change represent on this graph?
3. Can you identify a point where the rate of change is highest?
4. What is the significance of a constant rate of change in such scenarios?
5. How would you calculate the average time spent on homework over the five days?

**Tip:** Always check the units of measurement (minutes, days, etc.) when calculating rates of change.

According to the graph, what was the rate of change between Tuesday and Friday?

Learn how to calculate the rate of change in time spent on homework between Tuesday and Friday based on a graph. This problem explores the concept of rate of change using the formula and basic graph interpretation, suitable for Grades 6-8.

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