Question

The sum of two numbers is 217.58. If one number is 78.39, find
the other.​

Answer 1

Answer:

Let the other number be x

78.39+ x= 217.58

x = 217.58-78.39

x=139.19

Answer 2

Answer:

139.19

Step-by-step explanation:

Let the other number be X

x + 78.39 = 217.58

x = 217.58 - 78.39 ( side change sign change?

x = 139.19