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There are 24 girls in class 61, 20% less than boys. How many girls are less than boys also Party A and Party B work together to build the road. Party A will finish it in five days alone. Party B will finish 1 / 3 of it in five days alone. The remaining two teams will finish it in a few days
The question you asked later was 24 ÷ (1-20%) - 24 = 6 people
Wait a minute. Let me play for a while,
(1 - 1 / 3) △ 1 / 5 + 1 / 3 △ 5) = 2.5 days
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