Math, asked by lkwadhwa76, 11 months ago

answer answer answer answer answer answer

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Answered by rishithreddy006

1

Answer:

(a) 0.3 : 0.8

(b) 7 : 10

Step-by-step explanation:

(a) 6.30 : 16.80 ÷ (21)

= 0.3 : 0.8

(b) 3 weeks = 21 days

21 : 30

= 7 : 10

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