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Question
primary 6 | Maths
| Fractions
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Please help. Not sure what is the method for this. Thanks
Date Posted: 4 years ago
Views: 259
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3 (x+5) = 10x+1 ?
7x = 14
x= 2
Not sure if p6 kids learn to use algebra yet but well there are 2 men and 20 women on that bus
7x = 14
x= 2
Not sure if p6 kids learn to use algebra yet but well there are 2 men and 20 women on that bus
Units and parts method :
Men : Women
1unit : 10 units
(+5 men) : (+1 woman)
In the end
1 part : 3 parts
Therefore,
1u+5=1p —> equation 1
10u+1=3p —> equation 2
10u+1=3(1u+5)
10u+1=3u+15
10u-3u=15-1
7u=14
1u=2(men at first)
10u=20(women at first)
Men : Women
1unit : 10 units
(+5 men) : (+1 woman)
In the end
1 part : 3 parts
Therefore,
1u+5=1p —> equation 1
10u+1=3p —> equation 2
10u+1=3(1u+5)
10u+1=3u+15
10u-3u=15-1
7u=14
1u=2(men at first)
10u=20(women at first)
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