Answers

  • Brainly User
2016-07-14T08:26:09+08:00
(45 + 42 + 47 + 38 + x) 
-------------------------  =  45
         4

   172         x
--------  +  -----  =   45
    5            5

LCD:  5
Multiply each term by 5 yields:

172 + x = 45 (5)

x = 225 - 172

x = 53

ANSWER:  53 must be added to 45, 42, 47, and 38 to yield an integer of 45.

2 2 2