I'll solve for y
xy+(4(20))>x-5y(2+9-7)
xy+4(20)>x-5y(2+9-7)
xy+4(20)>x-5y(4)
xy+4(20)>x-20y
xy+80>x-20y
xy+20y+80>x
y(x+20)>-80+x
y>(-80+x)/(x+20)
64 gotta be the correct answer
Clara= 30+45 (75)
Adam = 2x75 (150)
745+5+150=270min
10 + 15x + x + 10
= 16x + 20