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Question
primary 6 | Maths
| Ratio
One Answer Below
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Need both
Date Posted: 3 years ago
Views: 589
M : T
4u : 5u
-10 : +10
1p : 2p
Make parts to be same.
8u -5u = 3u = 10+20
1u =10
9 u = 90
---------
D + E =240
D spent 1/4 ==== 3units : 2units
Therefore D starts with 4 units.
E starts with 2 units.
Total 6 units = 240.
2 units of E =80
91912208
4u : 5u
-10 : +10
1p : 2p
Make parts to be same.
8u -5u = 3u = 10+20
1u =10
9 u = 90
---------
D + E =240
D spent 1/4 ==== 3units : 2units
Therefore D starts with 4 units.
E starts with 2 units.
Total 6 units = 240.
2 units of E =80
91912208
See 1 Answer
done
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Q18 involves internal transfer within the two ppl, so the total remains unchanged throughout.
Date Posted:
3 years ago
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