To find a baseball pitcher's earned run average (era), you can use the formula ei = 9r, in which e represents era, i represents the number of innings pitched, and r represents the number of earned runs allowed. solve the equation for e. what is a pitcher's era if he allows 25 earned runs in 54 innings pitched? if necessary, round your answer to the nearest hundredth. the equation for e is e = . if a pitcher allows 25 earned runs in 54 innings, then the era = .

ERA = 4.17

Step-by-step explanation:

1. First, you need to identify the data you get from the sentence.

Earned runs: 25 (r)

Innings pitched: 54 (i)

Earned runs average: ? (ERA/E)

2. Replace your data in the formula.

Ei = 9r

E(54) = 9(25)

3. Solve the operations.

E(54) = 225

4. Now we use the transposing method to find E (ERA). 54 is

multiplying E, so it's going to move to the other side of the

equation dividing like this.

E(54) = 225 ⇒ E = 225/54

5. Calculate the result for E.

E = 4.1666666667

6. Finally, we round our answer.

E = 4.17

So, the earned runs average (ERA) is 4.17.

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step-by-step explanation: