Answer:
8h+100
8.50h+80
Step-by-step explanation:
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:
4/25
Step-by-step explanation:
6 1/4=25/4
The reciprocal of 25/4 is 4/25.