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Question
primary 6 | Maths
| Data Analysis
One Answer Below
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Pls help.
Date Posted: 9 months ago
Views: 92
at first
P : N : T = 20u : 20u-420 : 40u-420
left
T = 20%×(40u-420)
= (40u-420)÷5 = 8u-84
P = 8u-84-21 = 8u-105
= 25%×20u = 5u
8u-105 = 5u
3u = 105
u=35
40u-420 = 40×35-420
= 980 (Ans)
P : N : T = 20u : 20u-420 : 40u-420
left
T = 20%×(40u-420)
= (40u-420)÷5 = 8u-84
P = 8u-84-21 = 8u-105
= 25%×20u = 5u
8u-105 = 5u
3u = 105
u=35
40u-420 = 40×35-420
= 980 (Ans)
I got this answer too but answer sheet is 1820
See 1 Answer
Thank you
welm
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