Karen collects local and foreign coins. 1/4 of her coins. 2/9 of the foreign are Austalia coins. What fraction of the coins are non-Australia foreign coins?

Answer 1

Want to fill in the missing words?

Answer 2

Solve simultaneously for x and y x+y=2 and 3x^2+4xy+y^2=6

Answer 3

c'mon. just sub in

3x^2 + 4x(2-x) + (2-x)^2 = 6

Now just collect stuff and solve the quadratic equation.

Answer 4

I DON'T GET IT!!!!