Answer:
y < 73
Step-by-step explanation:
y−18+18<55+18
y < 73
we have that
x + 3y = 6 -------> first equation
2x − y = 10
x + 3y = 6-----> substract x both sides
-x+x+3y=6-x
3y=6-x-----> divide by 3 both sides
y=(6-x) /3
y=2-(x/3)
y=-(x/3)+2
therefore
the answer is
negative one thirdx + 2
Answer:
1 ruler costs £4 and 5 rulers cost £20
