Hi this is my practice assignment with the exact same notes but according to the answers page compared to these answers shown it's answers are:

$03110$ Structural C$.$I.P Concrete Formwork

$1=23$ m$^2$

$2=93$m$^2$

$3=39$m

$4=47$m$^2$

$5=30$m

$03210-$ Reinforcing Steel

$1=1402$kg

$2=16$kg

$03220-$ Welded wire fabric

$1=47$m$^2$

$03350-$ Concrete Finishing

$1=47$m$^2$

$03310-$ Structural Concrete

$1=8$m$^3$

$2=16$m$^3$

$3=1$m$^3$

$4=8$m$^3$

Could anyone please assist me on how to solve it so that it would be more clear for me to understand? Thank You.