Question

2. The average of 81, 93, 99 and X is 87. Find the value of X.​

Answer 1

Answer:

(81+93+99+x)/4=87

or 81+93+99+x = 348

or, 273 +x =348

or,x = 348-273

or, x = 75

Answer 2

Answer:

74

Step-by-step explanation:

(81+93+99+x) 4%87=348