A) A box of mass 9 kg contains x articles each of mass 1.2 kg. Write down an expression for the total mass of the box and its contents. B) How many articles are there in the box if the total mass of the

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asked Jul 17, 2023 53.6k views

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A) A box of mass 9 kg contains x articles each of mass 1.2 kg. Write down an expression for the total mass of the box and its contents.

B) How many articles are there in the box if the total mass of the box and articles is 21 kg?

Mathematics
high-school

Niklas Holsti asked

by Niklas Holsti

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Explanation:

A. total mass = 9 + (x × 1.2)

B. 21 - 9 = 12kg

12 ÷ 1.2 = 10 articles.

hope it helps. :)

Nileshsinh Rathod answered Jul 22, 2023

by Nileshsinh Rathod

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