Let's assume the number be x.
So, sum of a number and 10 can be written as x+10.
Now the given statement is "One half of the sum of a number and 10 ".
So, one half of x+10 can be written as 
Answer:

Step-by-step explanation:
We can use the unity rule to solve this problem.
Number of toys made in m minutes = c
Number of toys made in 1 minute = 
Number of toys made in 60 minutes = 
Since 60 minutes = 1 hours, we can write:
Number of toys made in 1 hour = 
Therefore, we can say that Kevin makes
toys per an hour.
Answer: 5/2, 2.71, 2 3/4 , 5
There were 215 students in soccer class.
Step-by-step explanation:
Given,
Number of students in tennis class = 129
2/3 of tennis class students = 
2/3 of tennis class students = 86
Number of soccer students = Number of tennis students + 2/3 of tennis students
Number of soccer students = 129+86
Number of soccer students = 215
There were 215 students in soccer class.
Keywords: fraction, addition
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