3 Variable Ratio and Proportion Practice Question And Word problems || Basic Mathematics

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I am Naveed Ahmad, Welcome to my youtube channel "ALL TEST PREPARATION"

About this video-
In this video, i discussed about the
0:00 Three Variable Ratio
4:18 Three types of coffee beans, A, B and C, are blended in the ratio 3 : 5 : 7 to make a bag of coffee powder.
(i) Given that the bag contains 45 kg of coffee powder, find the mass of each type of coffee beans in the mixture.
(ii) If A costs $7 per kg, B costs $10 per kg and C costs $13 per kg, find the cost per kg of the mixture
12:03 A box contains 36 books and some toys. The ratio of the number of books to the number of toys is 4 : 5. After some toys are given away, the ratio of the number of books to the number of toys becomes 12 : 11. Find
(i) the initial number of toys in the box,
(ii) the number of toys that are given away.

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..........Thank you so much..........
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