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primary 5 | Maths
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transport: 9 u
save: 1 u
utilities: 2 u
9 u = 2 u + 633.50
1 u = 90.50
12 u = 90.50 x 12 = 1086
(a)
next,
food: ▲
non-food: ▲▲▲ ▲
▲▲▲ ▲ = 1086
▲ = 271.50
$271.50 spent on food
(b)
1 mth saves $90.50
1 yr saves 90.50x12 = $1086
...
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