Question

A batsman scored 85 runs in the 17th inining and thereby increased the run average of the previous 16 inining by 3.whose average is better now​

Answer 1

Step-by-step explanation:

A batsman in his 17th inning makes 85 scores and thereby increases his average by 3.

His average after 17th inning is?

:

let a = his average after the 17th inning

then

(a-3) = his average before the 17th

:

a = %28%2816%28a-3%29%2B85%29%29%2F17

multiply both sides by 17

17a = 16(a-3) + 85

17a = 16a - 48 + 85

17a - 16a = 37

a = 37 his average after 17 innings

Answer 2

Answer:

a=

Step-by-step explanation:

a=37 his average after 17 inning