rahul played weel in this season . his current batting averagge is 51 . if he score 69 runs in today match . his batting average will become 54 . how many matches had he played in this season .
51 x + 69 = 54 ( x + 1 ) = > 3 x = 15 = > x = 5 answer : e
divide(subtract(69, 54), subtract(54, 51))