In baseball, the equation E=9R/I a pitcher's earned run average E, where R is the number of earned runs the player allowed and I is the number of innings pitched. Last season, a pitcher had an earned run average of 2.80 and allowed 70 earned runs. How many innings did the pitcher pitch last season?

The innings pitched last season is 225.

Step-by-step explanation:

Given that,

Earned run average = 2.80

Allowed earned run = 70

The given equation is

We need to calculate the innings pitched last season

Using given equation

Where, E = earned run

R = allowed earned run

I = innings pitch

Put the value into the formula

Hence, The innings pitched last season is 225.

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step-by-step explanation: