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Episode 16 of 17

Missing numbers in three-term ratios

The question

Fill in the missing numbers.

  1. (a) 2 : 5 : 3 = 10 : ____ : ____

  2. (b) 7 : 4 : 6 = ____ : 24 : ____

  3. (c) 11 : 6 : 3 = ____ : ____ : 24

  4. (d) 20 : 30 : 10 = ____ : 90 : ____

Try it first, then show the answer

Answer

  • (a)10 : 25 : 15
  • (b)42 : 24 : 36
  • (c)88 : 48 : 24
  • (d)60 : 90 : 30
Look

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Episode 2

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Episode 3

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Episode 4

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Episode 5

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Episode 6

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Episode 7

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Episode 8

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Episode 9

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Episode 10

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Episode 11

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Episode 12

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Episode 13

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Episode 14

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Episode 15

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Episode 16 · Now playing

Missing numbers in three-term ratios
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Episode 17

Three-term ratios in their simplest form