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Question
primary 5 | Maths
| Rate & Ratio
One Answer Below
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Kindly help on ratio question. Please provide steps. Thanks.
Date Posted: 3 years ago
Views: 679
# forward
# total unchanged - internal transfer
S:C= u : u = 1:1
S:C= u-30 : u+30
S:C= u-30+58 : u+30-58
= 7:3
7(u-28) = 3(u+28)
4u = 280
2u = 140 (Ans)
# total unchanged - internal transfer
S:C= u : u = 1:1
S:C= u-30 : u+30
S:C= u-30+58 : u+30-58
= 7:3
7(u-28) = 3(u+28)
4u = 280
2u = 140 (Ans)
Thank you. Appreciate it.
See 1 Answer
done
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7u-58+30 = 3u+28
u = (28+28)÷(7-3) = 14
10u = 14×10 = 140 (Ans)
u = (28+28)÷(7-3) = 14
10u = 14×10 = 140 (Ans)
Date Posted:
3 years ago
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