P4 Maths

[ngnguan]

Anyone can provide answer with working?

At a train station, there were 4 times as many men as women.
After 300 men left and 174 women arrived, there was equal number of men an women.
How many people were there at the train station at first

My answer is 790?

 

[01asdf]

210. How you get some many?

 

[David Lai]

Answer is 790.
Men = 4 unit
Women = 1 unit
So when 300 men left, and 174 women arrived, sum of these amout equates to 3 units.

 

[Aaagogo]

Anyone can provide answer with working?

At a train station, there were 4 times as many men as women.
Equation: 4M=W

After 300 men left and 174 women arrived, there was equal number of men an women.
Equation: M-300=W+174

2 equations, 2 unknowns, solving for unknowns

How many people were there at the train station at first

Answer: 790

My answer is 790?

Your answer is correct

 

[01asdf]

It's M=4W - number of men is 4x number of women.