Question

If the mean of 6,4,7,p,10 is 8 find the value of 5p-2​

Answer 1

Answer:

Step-by-step explanation:

8=(6+4+7+p+10)/5

40=27+p

p=13

5p-2=5*13-2=63

Answer 2

Mean of 6,4,7,p,10 is 8.

$\frac{6+4+7+p+10}{5} = 8$

$6+4+7+p+10 = 40\\= 27+p = 40\\= p = 13\\\\5p-2 = 5(13)-2\\= 65-2\\= 63$