Question

If the mean of x+1,x+3,x+5,x+7,x+9 is 45. Find x

Answer 1

Answer:

40

Step-by-step explanation:

x+1+x+3+x+5+x+7+x+9=5x+25

sum of observations=5x+25

total no.of observations=5

5x+25/5=45

5x+25=45×5

5x+25=225

5x=225-25

5x=200

x=200/5

x=40