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primary 5 | Maths
| Whole Numbers
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Date Posted: 2 years ago
Views: 368
Q(26)
M+B=1500 ①
M+C=2700 ②
B:C = u : 4u
② - ①
C-B = 4u-u = 3u
= 2700-1500
= 1200
u = 400 = B
M+B=1500 ①
M = 1500-B = $1100 (Ans)
Q(27)
unshaded of each △
= 4-1 = 3
fig = 2×3+1
shaded / fig = ⅐ (Ans)
Q(28)
GST → $800×7% = $56
$800+$56 = $856 (Ans)
M+B=1500 ①
M+C=2700 ②
B:C = u : 4u
② - ①
C-B = 4u-u = 3u
= 2700-1500
= 1200
u = 400 = B
M+B=1500 ①
M = 1500-B = $1100 (Ans)
Q(27)
unshaded of each △
= 4-1 = 3
fig = 2×3+1
shaded / fig = ⅐ (Ans)
Q(28)
GST → $800×7% = $56
$800+$56 = $856 (Ans)
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