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primary 5 | Maths
| Fractions
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Date Posted: 3 years ago
Views: 515
at first
r:b:g : total
= 4u+10:4u:4u-48:12u-38
left【in the end】
r:b:g : total
= 4u+10:1u:2u-24:7u-14
7u-14 = 315
u = 47
(a) green
4u-48
= 4×47-48
= 140 (Ans)
(b) total
12u-38
= 12×47-38
= 526 (Ans)
r:b:g : total
= 4u+10:4u:4u-48:12u-38
left【in the end】
r:b:g : total
= 4u+10:1u:2u-24:7u-14
7u-14 = 315
u = 47
(a) green
4u-48
= 4×47-48
= 140 (Ans)
(b) total
12u-38
= 12×47-38
= 526 (Ans)
See 1 Answer
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Date Posted:
3 years ago
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