Cans of wood varnish come in three sizes. Small can: A 200 ml can costs £0.68. Medium can: A 500 ml can costs £1.66. Large can: A 3 l can costs £9.50. Calculate the cost of 3 l for the small and medium cans. Give your answer in pounds to 2 dp. Write the can that is the better value in the comments.

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answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.