Exercise 2.1
1. Using appropriate properties find.
(b) 2/5*(-3/7)-1/6*3/2+1/14*2/5.?
=
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-6/5-1/4+1/35
-1/7-1/4
-11/28
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Answer:
if students studying dance in a dance class is 28
49 % of senior students and
51% of junior students.
among them,
21 % of them participating in a competition,
what will be the number of students participating in the competition?
Step-by-step explanation:
if students studying dance in a dance class is 28
49 % of senior students and
51% of junior students.
among them,
21 % of them participating in a competition,
what will be the number of students participating in the competition?
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