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### Primary 6 Problem Sums/Word Problems - Try FREE

- Ratio & Percentage: Mix it up, mix it up! > Ratio & Percentage Exercise 7 > 1
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**Question
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Farmer Tom had a certain number of animals on his farm.

15% of the animals were pigs and the rest were cows.

60 cows and 20 pigs were taken away for vaccination.

The ratio of the number of remaining pigs to cows became 1:7.

Find the total number of animals that the farmer had in the beginning.

The correct answer is :

**400**