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Cultural references

When a batter receives a base on balls, the result is not counted as an at bat. A statistic called on base percentage (OBP) treats a base-on-balls as the same as a hit. The formula for finding OBP is:

OBP = (Hits + Bases on balls) / (At bats + Bases on balls)

Find the OBP for each batter on your team. Which batter has the highest OBP? Which has the lowest?


3. The ratio of trys converted to trys scored by two rugby teams, A and B, are respectively, 18: 5 and 15: 4. By changing each ratio to the form m : 1, say which team has the better goal kicker. Explain.
Mathematics 8+ Page 134.