Q17. In Krishna's flower garden, 1/7 are white roses, 4/7 are red roses and the rest are yellow roses. What fraction of the roses are yellow? * (a) 1/7 (b) 2/7 (c) 3/7 (d) 4/7
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Answered by
3
Answer:
1/7 + 4/7 + x = 1
(1 + 4 + 7x) / 7 = 1
(5 + 7x) / 7 = 1
5 + 7x = 7 [ by cross multiplication]
7x = 7 - 5
7x = 2
x = 2/7
fraction of yellow roses are 2/7.
Answered by
1
Answer:
Fraction of white roses = 1/7
Fraction of red roses = 4/7
Total fraction of white and red roses = 1/7+2/7 = 5/7
Fraction of yellow roses= 1-5/7= 7-5/7 = 2/7
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