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Stage 2 - Problem 10

Problem: Heavy Pets

Strand: Mass

Outcome: MS 2.4

Due: Wednesday 28th October

Scales
Briony wanted to know the weight of her pets but they wouldn't stay on the scales. To solve the problem she stood on the scales and held the pets.
Firstly she stood on the scales with her cat and wombat and the total mass was 85kg.
Next she stood on the scales with her dog and wombat and the scales read 87kg.
Finally she stood on the scales with her cat and dog and the total was 82kg.
Briony knew she weighed 60kg.
How much did each pet weigh?

Download Investigation Sheet. (Microsoft Word Document-64KB)


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