Health
Health, 08.11.2019 03:31, lilie080202

Mathematics question(venn diagram) ;
a final year maths student was given a project to
identify which of 30 chemical substance contained the
element iron, lead, and proporous in his project defence, he gave the following
breakdown iron only (5), lead and phoporous (10),
and the three elements (6), iron and lead (6), iron and
proporous only (3). the number of substance that
have only phoporous or only lead are equal assuming the elements are the only constituents;
(a) how many substance have lead
0nly
(b) how many substance had at least two element

answer
Answers: 1

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Mathematics question(venn diagram) ;
a final year maths student was given a project to
id...

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