Question

the ratio of roses and Lillie's in garden is3:2 respectively.the average number of roses and Lillie's is 180 .what is the number of Lillie's in the garden?​

Answer 1

Answer:

$let \: the \: numbe \: roses \: be \: 3x \: and \\ the \: number \: of \: lillies \: be \: 2x \\ average \: of \: roses \: an \: lillies \\ = > \frac{sum \: of \: all \: flower}{2} = 180 \\ = > \frac{3x + 2x}{2} = 180 \\ = > 5x = 180 \times 2 \\ = > x = \frac{360}{5} = 72 \\ number \: of \: roses \: = 3x \\ = 3 \times 72 = 216 \\ number \: of \: lillies \: = 2x \\ = 2 \times 72 = 144$

Answer 2

Answer = no. of lilies :144

no. of roses = 216

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