2/7 of the flowers in a vase are red and 3/7 of them are white and rest are yellow.if the vase has 21 flowers how many are yellow
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yellow=7/7-(3/7+2/7)x21
=2/7x21
=6
=2/7x21
=6
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4
yellow flowers=x
then
2/7+3/7+x=total number of flowers
total number of flowers=21
so,2/7+3/7+x=21
5/7+x=21
x=21-5/7
x=20 approximately.
hope this helps
then
2/7+3/7+x=total number of flowers
total number of flowers=21
so,2/7+3/7+x=21
5/7+x=21
x=21-5/7
x=20 approximately.
hope this helps
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