Question 1060039
The formula for sum of infinite series is :

S& = t1/(1-r)

t1 = 36/7

r (ratio) = 24/7 / 36/7
             =24/7 * 7/36
             = 8/9

Now, replace the values of t1 and r in the formula: 

s& = 36/7 / (1 - 8/9)
     = 36/7 / (1/9)
     = 36/7 * 9
     = 324/7