The answer to this question is:
C) 8.
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Change mixed fraction into an improper fraction


: are both even numbers, so you can further simplify by dividing by 2

To add fractions, we need same denominator to proceed. Here we have no problem since both denominators are 5


As a mixed fraction:

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Let us change the mixed fraction into an improper fraction:


: You can further simplify this since both are divisible by 2

We have the same denominator set for subtraction, so you do not have to find common denominators


As a mixed fraction:
Answer:
5+-2
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>
There are 130 students.
There are 58 boys --> 72 girls
A) 49 chose football: 27 are girls --> 22 are boys
B) 72 girls: 24 chose running, 27 chose football --> 21 girls chose tennis
C) 27 students chose tennis: 21 are girls --> 6 are boys.
D) 58 boys: 22 chose football, 6 chose tennis --> 30 boys chose running.

Total running = 30 boys + 24 girls = 54
Total students = 130

Answer:x=9
Step-by-step explanation:
-4=5-x
Add x on both sides
x-4=5
Add 4 on both sides
x=5+4
Solve
x=9