DumbFungus's answer to DumbFungus's Primary 6 Maths Data Analysis Singapore question.
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5)
B+A - B+R = Diff of A and R
A : R : Diff
5 : 7 : 2
2u --> 6000-4800
= 1200
1u --> 1200÷2
= 600
5u (A's amt.) --> 600×5
= 3000
B's amt. --> 4800-3000
= 1800
Ans: $1800
6)
M+R --> 450×2
= 900
M+J --> 240×2
= 480
R : J : Diff
5 : 2 : 3
3u --> 900-480
= 420
1u --> 420÷3
= 140
2u (J's amt.) --> 140×2
= 280
M's amt. --> 480 - 280
= 200
Ans: 200
B+A - B+R = Diff of A and R
A : R : Diff
5 : 7 : 2
2u --> 6000-4800
= 1200
1u --> 1200÷2
= 600
5u (A's amt.) --> 600×5
= 3000
B's amt. --> 4800-3000
= 1800
Ans: $1800
6)
M+R --> 450×2
= 900
M+J --> 240×2
= 480
R : J : Diff
5 : 2 : 3
3u --> 900-480
= 420
1u --> 420÷3
= 140
2u (J's amt.) --> 140×2
= 280
M's amt. --> 480 - 280
= 200
Ans: 200
Date Posted:
4 years ago
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