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primary 6 | Maths
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Date Posted: 3 years ago
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16 x 0.20 = $3.20
$3.20 + $7.60 = $10.80
10.80 ➗ 0.30 = 36 ( 50 cent coins)
(a) 36 + 16 = 52 ( 20 cent coins)
(b) 36 x 0.50 = $18
52 x 0.20 = $10.40
18 + 10.40 = $ 28.40
(a) 52, (b) $28.40
$3.20 + $7.60 = $10.80
10.80 ➗ 0.30 = 36 ( 50 cent coins)
(a) 36 + 16 = 52 ( 20 cent coins)
(b) 36 x 0.50 = $18
52 x 0.20 = $10.40
18 + 10.40 = $ 28.40
(a) 52, (b) $28.40
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