Mathematics, 05.05.2021 08:50 EndiaGracee

The earned run average (ERA) a of a baseball pitcher varies directly as the number of earned runs r and inversely as the number of pitched innings p. In one season, a pitcher has an ERA of 2.475 with 80 innings pitched and 22 earned runs. Find the number of earned runs if the pitcher has an ERA of 2.25 after pitching 112 innings in the next season. Find the number of earned runs when the pitcher has an ERA of 2.25 after pitching 112 innings in the next season.

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