Correct Answer : A
Explanation :
Explanation :
Equation: 60/(x+10)+60/(x-10)=8 ? x=25.
Correct Answered :
Wrong Answered :
A
25
B
20
C
30
D
40
Equation: 60/(x+10)+60/(x-10)=8 ? x=25.
Correct Answered :
Wrong Answered :