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primary 6 | Maths
| Ratio
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Date Posted: 5 years ago
Views: 370
A : B = 3 : 1
A: 30 y.o.
B: 10 y.o.
difference =20 yrs
u yrs later
A: 30+u y.o.
B: 10+u y.o.
7 x (10+u) = 3 x (30+u)
u = 5
so 5 yrs later
ans: (1)
...
A: 30 y.o.
B: 10 y.o.
difference =20 yrs
u yrs later
A: 30+u y.o.
B: 10+u y.o.
7 x (10+u) = 3 x (30+u)
u = 5
so 5 yrs later
ans: (1)
...
See 1 Answer
done
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Answer A In 5 years time . Hope this helps
Date Posted:
5 years ago
Thanks
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