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17] Determine if they are in proportion 30:40 :: 45:60
1. yes
2. No​

By Allison

17] Determine if they are in proportion 30:40 :: 45:60
1. yes
2. No​

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Allison

The cost of 12 3/5 kg of orange is rupees 330 3/4.what is the cost of 1kg of orange
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On a 100km track a train travels first 50km with a uniform speed of a 20km/hr and remaining 50km with a speed of 60km/hr . Find av

1 thought on “17] Determine if they are in proportion 30:40 :: 45:60<br />1. yes <br />2. No​”

  1. Answer:

    30 : 40 = 30/ 10 = 3 and 40/10 = 4

    3:4

    45 : 60 = 45 / 15 = 3 and 60/15 = 4

    = 3:4 :: 3:4

    = Yes, 30 : 40 :: 45 : 60 are in proportion

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