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Question
primary 6 | Maths
| Ratio
2 Answers Below
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help ;-; constant total? constant diff? help really would be appreciated =)
Date Posted: 3 years ago
Views: 360
Question flawed.
Answer : 63 9/17 or 63.52941176 :(
This type of questions, make the end ratio 2: 5 to 2×(5) : 5×(2). to the same.
At 1st
5:4
-30 : -15
2 : 5
(5u-30)×5 : (4u-15)×2
25u-150 = 8u-30
17u = 120
u = 120/17
Total = 9u = 9× 120/17 = 63 9/17 :(
Answer : 63 9/17 or 63.52941176 :(
This type of questions, make the end ratio 2: 5 to 2×(5) : 5×(2). to the same.
At 1st
5:4
-30 : -15
2 : 5
(5u-30)×5 : (4u-15)×2
25u-150 = 8u-30
17u = 120
u = 120/17
Total = 9u = 9× 120/17 = 63 9/17 :(
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=)
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