<span>Y=-2x+1, y=-2/3x+5
X= -3 and Y =7</span>
Answer:
2.5
Step-by-step explanation:
given that y is proportional to x then the equation relating them is
y = kx ← k is the constant of proportionality
y = 2.5x is in this form with k = 2.5
Answer:
B is 20 c is 320
Step-by-step explanation:
His sister will be 20, right!
