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there are 1800 gym members in total. 3/4 are aged 25-59, 1/5 are over 60 and the remainder are under 25 years. how many members are under 25?
answered
Sep 20, 2017
Mathematics
high-school
5
votes
91.2k
views
How many singers are required before the group is considered an a cappella chorus? A. Four singers total are needed. B. Only one or two singers per part are all that is needed. C. The number of singers
answered
Apr 12, 2017
Arts
high-school
4
votes
115k
views
Why are index fossils used to date other fossils in an area of rock
answered
Apr 11, 2017
Chemistry
middle-school
1
vote
168k
views
Which term best describes the relationship between the orcas and crabeater seals? A. predation B. mutualism C. competition D. parasitism
answered
Sep 24, 2016
Biology
high-school
3
votes
67.9k
views
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