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primary 5 | Maths
| Fractions
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Date Posted: 4 years ago
Views: 249
each day spent u (1 unit)
after 7 days , 7u
7u = 3/4 of original
u = 3/28 of original
between 7th and 9th days, 2u spent
2u = 1/4 of original - $10
u = 1/8 of original - $5
3/28 of original = 1/8 of original - $5
original = $280
after 7 days , 7u
7u = 3/4 of original
u = 3/28 of original
between 7th and 9th days, 2u spent
2u = 1/4 of original - $10
u = 1/8 of original - $5
3/28 of original = 1/8 of original - $5
original = $280
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