a batsman makes a score of 87 runs in the 17 th match and thus increases his average by 3 . find his average after 17 th match
"explanation : let the average after 17 th match is x then the average before 17 th match is x - 3 so 16 ( x - 3 ) + 87 = 17 x = > x = 87 - 48 = 39 option d"
add(subtract(87, multiply(17, 3)), 3)