53/100 ÷ 5 can be reduced down to
7
-----
20
Good Luck! :)
Idk sorry I am not that good at math :)
Sa= bw+hw+lw+

(2)
SA=(12*4)+(16*4)+(20*4)+(

)
SA= 28+64+80+(6*16*2)
SA=28+64+80+(96*2)
SA=28+64+80+192
SA=364
Step-by-step explanation:
so therefore mark jogged 2 36/70km more than his sister