The ratio of the number of yellow circles to the number of white circles is 1 : 4. For each yellow circle there are 4 white circles. The ratio 3 : 12 is equivalent to 1 : 4 because for each yellow ...
A farmer has 2 cats and 5 dogs. Write down the ratio of cats to dogs and dogs to cats. The same farmer also has 85 sheep and 15 cows. Write down the ratio of cows to sheep in its simplest form.
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