During soccer practice, Tara recorded the team's results for three passing skills. Short passes were completed on 18 out of 20 attempts, crossing passes on 3 out of 5 attempts, and through passes on 14 out of 20 attempts. Emek and Luna wrote the fractions as decimals and percentages. Short passes were 0.90, or 90%; crossing passes were 0.60, or 60%; and through passes were 0.70, or 70%. Comparing the equivalent forms showed that crossing passes had the lowest success rate, so they chose that skill for extra practice before the next match.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Change 14/20 to an equivalent fraction with 100 as the denominator.
Through passes were completed on 14 out of 20 attempts. Which set of equivalent forms correctly represents this success rate?
14/20 = 0.14 = 14%14/20 = 0.70 = 70%14/20 = 0.60 = 60%14/20 = 0.80 = 80%Correct! 14/20 equals 70/100, which is 0.70 or 70%.
Try again. Multiply 14/20 by an equivalent form that gives a denominator of 100.
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Hint
Find the difference between the two percentages.
Crossing passes had a 60% success rate, while through passes had a 70% success rate. How many percentage points higher was the through-pass success rate?
Correct! The through-pass success rate was 10 percentage points higher.
Try again. Subtract 60 from 70.
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Hint
Convert 15/20 to a percentage, then compare it with 90% and 70%.
At the next practice, crossing passes improve to 15 successes out of 20 attempts. Which comparison correctly shows how this new rate compares with the other two skills from the story?
15/20 = 75%, so it is higher than short passes but lower than through passes15/20 = 65%, so it is lower than both other skills15/20 = 75%, so it is higher than through passes but lower than short passes15/20 = 90%, so it is equal to short passesCorrect! The new crossing-pass rate is 75%, between 70% and 90%.
Try again. First convert 15/20 to a percentage, then compare all three rates.
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