Problema Solution

I have twice as many tin soldiers as my brother. How many tin soldiers do I have to

give my brother so that each of us has 456 tin soldiers?

Answer provided by our tutors

Let

x = the number of soldiers my brother has

2x = the number of soldiers i have

y = the number of soldiers i need to give to my brother

x + y = 456

2x - y = 456

........

click here to see the system of equations solved for x and y

........

x = 304 tin soldiers

y = 152 tin soldiers

I need to give 152 tin soldiers to my brother.