Question

A cricketer has a certain average of runs for his 8 innings. In the ninth innings, he score 100 runs, there by increases his average by 9 runs. His new average of runs is ?​

Answer 1

Avg =x


8x +100 = 9( x +9)




X =19


New avg=. 8x19 +100 /9


252/9 =28

Answer 2

The new average is 28 runs.

Step-by-step explanation:

Since we have given that

Number of innings = 8

Let the average be 'x'.

In the ninth innings, he score 100 runs, there by increases his average by 9 runs.

So, According to question, we get that

$\dfrac{8x+100}{9}=x+9\\\\8x+100=9(x+9)\\\\8x+100=9x+81\\\\9x-8x=100-81\\\\x=19$

His, new average is 19+9 =28 runs.

Hence, the new average is 28 runs.

# learn more:

A cricketer has a certain average for 9 innings. in the tenth innings, he scores 100 runs, there by increasing his average by 8 runs. find his new average?

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