A boys batting average for 7 inning is 35 runs.If he scores 27 runs in his next innings, What is his average now ? If he wishes to increase his average to 36 runs , what should be his score in his 8th inning ?

Dear student
Average score=Total runs in 7 inningsTotal no.of innings35=Total runs in 7 innings7Total runs in 7 innings=245Now, Average of 8 innings=Total runs in 8 inningsTotal no.of innings=Total runs in 7 innings+Runs in 8th inningTotal no.of innings=245+278=34If he wishes to increase his average to 36 runs after his 8th inning,thenAverage after 8 innings=Total runs in 8 inningsTotal no.of innings=Total runs in 7 innings+Runs in 8th inning=xTotal no.of innings36=245+x8x=288-245x=43So, he should score 43 runs in 8th inning to make his average 36.
Regards

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