Answer:
x = 45
Step-by-step explanation:
The average is calculated as
average = [tex]\frac{score}{count}[/tex]
here the average = 50 , thus
[tex]\frac{36+44+75+x}{4}[/tex] = 50
Multiply both sides by 4
36 + 44 + 75 + x = 200
155 + x = 200 ( subtract 155 from both sides )
x = 45
