# Thread: Picture Frames

1. ## Picture Frames

I got C = 2.5p + 0.5p^2

But the answer is different.

2. Originally Posted by GAdams
I got C = 2.5p + 0.5p^2

But the answer is different.
what were your simultaneous equations?

EDIT: i got the same answer as you did. what's the actual answer?

3. 30x + 900y = 525

60x + 3600y = 1950

4. The answer I had been given is wrong, I just checked on the exam website's marking scheme, we are both right! Yipeee!. Thanks!