lucipola1975 lucipola1975
  • 21-03-2020
  • Mathematics
contestada

The ratio of chickens, lambs and cows is 1:2:4 respectively. If the total number of animals is 21, how many lambs are there?

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sqdancefan
sqdancefan sqdancefan
  • 21-03-2020

Answer:

  6

Step-by-step explanation:

In terms of "ratio units", lambs make up 2/(1+2+4) = 2/7 of the total of animals.

  2/7 · 21 = 6

There are 6 lambs.

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