3 years ago

Please help me!i have problems with this question

Mathematics

1 answer:

Leno4ka [110]3 years ago

4 0

Answer:

the mass of the empty box is 4/3 kg.

Step-by-step explanation:

The total mass (box plus 4 books and 2 files) is 2 kg

When half of the load is removed (2 books and 2 files) the mass is 1 3/20.

We have the following equation:

2 kg - (x/2)= 1 3/20 kg

Where x is the total mass of the load (4 books and 2 files)

This steps where followed to solve the equation:

2 -x/2 = (20-3)/20

40-10x=17

23=10x

x=2/3 kg

That is the total mass of the load

Hence

2kg -2/3 kg= 4/3 kg, the mass of the box

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