Question

Themean of4, 7, 2, 8, 6 and a is 7. Find the value ofa.

Answer 1

Answer:

a=15

Step-by-step explanation:

mean=4+7+2+8+6+a/6

or, 7=27+a/6

or,7*6=27+a

or,42-27=a

or,15=a

∴a=15