4kg of cheese costs £10.80 how much would 3kg cost

£8.10

Step-by-step explanation:

Divide £10.80 by 4 to find the cost of 1 Kg, then multiply this by 3

£10.80 ÷ 4 = £2.70 ← cost of 1 Kg , then

cost of 3 Kg = 3 × £2.70 = £8.10

it may helps

Step-by-step explanation:

we can solve it by unitary methodSo,

Cheese (in Kg). Cost (in Rs)

4kg 10.80

3kg X

Now, 4×x = 3×10.80

X=3×10.80/4 (by transposing)

X=2.7×3

X= 8.1 Answer

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answer: i can’t tell you that

step-by-step explanation:

i believe that the answer is

b. y-1=-2(x-4)

hope this !