SOLUTION: Could you please help me with part b? the answer to part a is 6.48. A) a baseball pitcher has pitched a total of 25 innings so far during the season and has allowed 18 runs. At th

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Question 526400: Could you please help me with part b? the answer to part a is 6.48.
A) a baseball pitcher has pitched a total of 25 innings so far during the season and has allowed 18 runs. At this rate how many runs would he allow in 9 innigs? This number is called the pitcher's ERA.
B) Randy Johnson had an ERA of 2.64 in 2000. At this rate, how many runs would he be expected to allow in 100 innings pitched?
Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website!
B) Randy Johnson had an ERA of 2.64 in 2000.
At this rate, how many runs would he be expected to allow in 100 innings pitched?
:
let r = no. of runs
:
The formula: Runs, divided by innings pitched, times 9 = ERA
:
* 9 = 2.64
multiply by 100, get rid of the fraction, results
r * 9 = 100(2.64)
9r = 264
r =
r = 29 innings
:
:
Check this by finding the ERA with 29.33 innnings
* 9 = 2.64