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Sherlyn bought 1 kg of apples, 1 kg of mangoes and 1 kg of pears for $19.
A kilogram of apples costs $1 more than the cost of a kilogram of mangoes.
A kilogram of pears costs thrice as much as a kilogram of mangoes.
(a) the cost of 2 kg of mangoes.
(b) the difference in cost between a kilogram of pears and a kilogram of apples.
Notes to students:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
2. Round your answer off to 2 decimal places