Mathematics, 25.01.2020 15:31, PSAP17

5lollipops and 12 toffees have a mass of 61 grams and 10 lollipops and 13 toffees have a mass of 89 grams . calculate the mass of one lollipop and one toffee

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5lollipops and 12 toffees have a mass of 61 grams and 10 lollipops and 13 toffees have a mass of 89...