Maths Olympiad Prep

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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

When Cathy the cat just lazes around, she drinks 60 ml of milk per day. However, each day she chases mice she drinks a third more milk. Also, each day she gets chased by a dog she drinks half as much again as when she chases mice. In the last two weeks Cathy has been chasing mice on alternate days and has also been chased by a dog on two other days. How much milk did she drink in the last two weeks?

(A) 900 ml900\ \text{ml} (B) 980 ml980\ \text{ml} (C) 1040 ml1040\ \text{ml} (D) 1080 ml1080\ \text{ml} (E) 1100 ml1100\ \text{ml}

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