To determine how many steps Marjam needs to take for the rest of the day to meet her goal of 10,000 steps, we can follow these steps:
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Calculate Remaining Steps Needed: Marjam's current step count is 2,500 steps. Her goal is at least 10,000 steps.
\[ \text{Remaining Steps} = 10,000 - 2,500 = 7,500 \text{ steps} \]
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Calculate Steps Per Hour: There are 10 hours left in the day. To find out how many steps she needs to take each hour:
\[ \text{Steps per Hour} = \frac{\text{Remaining Steps}}{\text{Hours Left}} = \frac{7,500}{10} = 750 \text{ steps/hour} \]
Thus, Marjam needs to walk 750 steps per hour for the next 10 hours to reach her goal of at least 10,000 steps.
Graph Recommendations
For communicating this solution, a bar graph or a line graph would effectively show the relationship between hours remaining and steps needed. Here are two options:
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Bar Graph: Have one bar for the total steps required (10,000) and one bar for the steps already taken (2,500). A third bar can represent the remaining steps needed (7,500). This visually emphasizes the goal and the progress made.
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Line Graph: A line graph could show the cumulative total of steps taken over the hours remaining, with a line reaching up to 10,000 steps. Points plotted at each hour can indicate the target of 750 steps achieved hourly.
Both graphs would effectively communicate Marjam's need to take additional steps to reach her daily target. However, the bar graph might be more straightforward in showing the comparative quantities clearly.