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Question
primary 6 | Maths
| Ratio
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Date Posted: 4 years ago
Views: 270
after 60 from S to A
S: 3u
A: 3u
after 54 from A to S
S: 3u + 54
A: 3u - 54
(3u + 54) . 2 = (3u - 54) . 5
6u + 108 = 15u - 270
1u = 378/9 = 42
(a)
at first, S had $186
(b)
at first
S: 186
A: 66
ratio = 31 : 11
.
.
.
S: 3u
A: 3u
after 54 from A to S
S: 3u + 54
A: 3u - 54
(3u + 54) . 2 = (3u - 54) . 5
6u + 108 = 15u - 270
1u = 378/9 = 42
(a)
at first, S had $186
(b)
at first
S: 186
A: 66
ratio = 31 : 11
.
.
.
Thanq
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Date Posted:
4 years ago
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