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The mass of Box A and Box B is 0.6 kg. The mass of Box A and Box C is 1.3 kg.
Box C is 3 times as heavy as Box B. Find the mass of Box A.
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Respuesta :

jessicasyasya

Answer:

A=0.25

B=0.35

C=1.05

Step-by-step explanation:

1. A+B=0.6

2. A+C=1.3

3. C=3B

2 subtract 1:

  • C-B=0.7

3 substituted:

  • 3B-B=0.7
  • B=0.35
  • C=0.7+0.35=1.05
  • A=0.6-0.35=0.25

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