document.write( "Question 988346: To find a baseball pitcher's earned run average (ERA), you can use the formal 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 5 earned runs in 18 innings pitched? \n" ); document.write( "

Algebra.Com's Answer #608895 by macston(5194) $\"\"$ $\"About$

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\n" ); document.write( " $\"Ei=9r\"$
\n" ); document.write( " $\"E=9r%2Fi\"$
\n" ); document.write( " $\"E=9%285%29%2F18\"$
\n" ); document.write( " $\"E=45%2F18\"$
\n" ); document.write( " $\"E=2.5\"$
\n" ); document.write( ".
\n" ); document.write( "ANSWER: His ERA is 2.5. \n" ); document.write( "

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