Multiple Choice
Use a proportion to solve the problem.
-In baseball, the average number of earned runs given up by a pitcher in 9 innings is the pitcher's earned run average, ERA. For example, if a player gave up 90 earned runs in 250 innings during one year, his ERA is found by solving the proportion . Find the ERA for a player who, in one year, gave up 101 earned runs in 239 innings. Round your answer to the nearest hundredth.
A) 3.80
B) 2.37
C) 21.30
D) 11.22
Correct Answer:

Verified
Correct Answer:
Verified
Q70: Solve the problem.<br>-It is determined that
Q71: Solve the problem. Round your answer
Q72: Translate to a proportion. Do not
Q73: Solve. Give your answer as a
Q74: Solve the problem.<br>-A telephone costs
Q76: Translate to an equation and solve.
Q77: Translate to a proportion and solve.<br>-77
Q78: Use a proportion to solve the
Q79: Solve. Give your answer as a
Q80: Solve.<br>-On a biology test, a student