The cost of 2 kg of rice is £5.50.
Find the cost of 500g.

Below.

Step-by-step explanation:

All you need to do is divide 500g by 2 kg = 250 then you do 250 x 5.50 equals= £1375

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c