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Question
primary 5 | Maths
| Rate & Ratio
3 Answers Below
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The amount of John's savings was twice the amount of Rodney's savings. If John were to give $25 to Rodney, Rodney's savings would become thrice as much as John's. How much did John have at first?
Date Posted: 1 year ago
Views: 421
at first
J:R:T = 2:1:3 = 8:4:12
in the end
J:R:T = 1:3:4 = 3:9:12
change
8-3 = 9-4 = 5 untis → $25
8×$25÷5 = $40 (Ans)
J:R:T = 2:1:3 = 8:4:12
in the end
J:R:T = 1:3:4 = 3:9:12
change
8-3 = 9-4 = 5 untis → $25
8×$25÷5 = $40 (Ans)
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Date Posted:
1 year ago
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