P3 - Power station block diagrams and advantages/disadvantages

[@arsenewenger9351]

Could you go through all the maths questions in P1-P3 in the past papers please?

[@bartsci]

+Mark Watson
Hi Mark, I'm unlikely to be able to do that before tomorrow, but there are example calculations in lots of the other videos in particular
ruclips.net/video/RJ-TuMzsTiI/видео.html
and
ruclips.net/video/mWRmwK355-E/видео.html
and general advice on how to use the formula sheet and rearrange equations
ruclips.net/video/rjjmHoVktuc/видео.html
and percentage calculations which come up a lot at
ruclips.net/video/qE8lAR6SO8M/видео.html