The constant of proportionality is 5/9
y= kx where k is the constant of proportionality
y = 5/9 x
k = 5/9
1) 0.48 3 2) 7/8 3) 7 1/8
U do 5 times 30 and get 150 then take 15 times 50 and get 750 last take 750 plus 150 and u get 900 cm
A=45
Explanation:
A= a+b/2*h
