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primary 6 | Maths
| Ratio
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Date Posted: 5 years ago
Views: 322
Difference = 7 units - 5 units = 2 units
2 units = 6 years
1 unit = 6 years ÷ 2 = 3 years
Tom's age = 7 units
= 7 x 3 years
= 21 years
2 units = 6 years
1 unit = 6 years ÷ 2 = 3 years
Tom's age = 7 units
= 7 x 3 years
= 21 years
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