Which number line correctly shows 1.5 + 2.5?
1 answer:
Answer:
We conclude that the first line number represents 1.5 + 2.5.
Step-by-step explanation:
Given the expression
It means the first segment must represent 1.5 units starting from 0.
Since we have to add 2.5 to 1.5, so the next segment must represent 2.5 units, starting from 1.5
Combining them would make
Now, if we observe the first number line,
- The first arrow represents the 1.5 units starting from 0.
- The second arrow represents the 2.5 units starting from 1.5.
- The combined units of both arrows represent the length of 4 units. i.e. 1.5 + 2.5 = 4
Thus, we conclude that the first line number represents 1.5 + 2.5.
The correct line number is also attached below.
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36 students have traveled outside of the United States, when there are total 120 sixth graders.
<u><em>Explanation</em></u>
The number of students traveled outside of the United States is 9 when there is total 30 sixth graders. So, the ratio of the student traveled to the total students will be
Now there are total of 120 sixth graders in the school and lets assume the number of students traveled outside the United states is . That means the ratio...
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