Question

purchased monthly 1000 g of food for birds. bird "A" eats 200 g more than bird "B". How much each bird eats?

Answer 1

b + 200 g = A
A + B = 1000g
Can you see it better now?

Answer 2

a-b=200
a+b=1000
----------------
2a=1200
a=600
b=400

i'm right?

Answer 3

I am not following your process, can you show it?

Answer 4

only sum equations

Answer 5

what?

Answer 6

just add the equations

Answer 7

i get it, thanks