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## Answers

hence a =4x, b = 6x, c =7x

now ,

b = 6x

⇒ 5.40 = 6x

⇒ x = 5.40/ = 54/60 = 0.9

⇒ x = 0.9

now,

a = 4x = 4× 0.9 = 3.6

c = 7x = 7 × 0.9 = 6.3

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hence a =4x, b = 6x, c =7x

now ,

b = 6x

⇒ 5.40 = 6x

⇒ x = 5.40/ = 54/60 = 0.9

⇒ x = 0.9

now,

a = 4x = 4× 0.9 = 3.6

c = 7x = 7 × 0.9 = 6.3