D. 75 cm
Step-by-step explanation:
fill in the y with 20.5, so you get 20.5=0.3x-2. Add the 2 to the 20.5 so you get 22.5=0.3x. Divide both by 0.3 to get 75=x.
sorry if it's a bd explanation, hope this helps :)
For 
, put "
" for every value of "
".
30.
3/4 is equal to 75%, so take 75% of 40 by multiplying .75 by 40 to get 30
