Question

At a cafe
2 teas + 1 coffe cost= £3.40
1 tea and 4 coffees cost=£7.30
Work out the cost of 1 tea and the cost of 1 coffee:

Answer 1

Answer:

(£0.6 , £1.6)

Step-by-step explanation: Dear Student,

Let the cost of 1 tea is x

& The cost of 1 coffee is y

Then,for 2 teas + 1 coeffe

                2x+y = £3.4         (i)

                x+4y =£7.3          (ii)

By solving above equation,

       multiply with 2 in equation (ii) and then subtract from (ii) to (i)

               2x +8y = £14.6          (ii)

           -    2x + y   =£3.4             (i)

                       7y = £11.2

                         y =£1.6

Put value of y in (i)

     2x+£1.6 = £3.4

             2x = 1.8

               x = £0.6

So, cost of 1 tea is £0.6

And cost of 1 coffee is £1.6