Question

Please help me with this question and please give a step by step explanation. l will report if I will find any nonsense.​

Answer 1

Hey here is your answer

6) Here ratio of 30 and 40 is

30/40 = ¾ means 3:4

Ratio of 45 and 60 is

45/60 = 15/20 = 3/4 means 3:4

hence, 30:40 is equal to 45 :60

therefore this are in proportion ..

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7) in the above pic

8)in the above pic

I hope this will help you

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itz Riya