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On Monday, it took 5 builders 3 in a half hours to build a wall. An identical wall needs to be built on Tuesday but only 2 builders are available. Each builder is paid £9.30 for each hour or part of an
asked
Jan 12, 2021
Mathematics
high-school
1
answer
1
vote
117k
views
please be right like 100%
asked
Jan 3, 2021
Mathematics
middle-school
2
answers
4
votes
201k
views
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