Algebra 1 I do not understand
posted by Anonymous .
To find a baseball pitcher's earned run average (ERA), you can use the formula Ei = 9r, where E represents ERA, i represents number of innings pitched, and r represents 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?

Algebra 1 I do not understand 
bobpursley
divide both sides of the equation by i
E=9r/i 
Algebra 1 I do not understand 
Anonymous
What is a pitcher's ERA if he allows 5 earned runs in 18 innings pitched?

Algebra 1 I do not understand 
bobpursley
I gave you the formula. Goodness. can you not put in the numbers, and compute?
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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.What is the equation …