Pancakes's answer to Mandy's Primary 6 Maths Ratio Singapore question.
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2/5 means A=2u and Total=5u. However total is made up of B, G and A. Rewrite as A=2u, B+G+A=5u. Observe B+G=3u.
In the first ratio given, B=5u and G=7u. Thus, B+G=12u.
Make B+G the same number of units for both ratios. Then find the total number of sweets given out to each group of people. Add up all the sweets in 3 groups. This is equal to 1475. From here you can find 1 unit and solve the question.
In the first ratio given, B=5u and G=7u. Thus, B+G=12u.
Make B+G the same number of units for both ratios. Then find the total number of sweets given out to each group of people. Add up all the sweets in 3 groups. This is equal to 1475. From here you can find 1 unit and solve the question.
Date Posted:
4 years ago
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