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bagirrra123 [75]
3 years ago
5

A hospital cafeteria has 20

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0

Answer:

<h2>There are 106 chairs in the hospital cafeteria.</h2>

Step-by-step explanation:

Givens

  • There are 20 tables.
  • 65% of the tables have 6 chairs at each table.
  • 35% of the tables have 4 chairs at each table.

The question is, what's the total number of chairs in the cafeteria?

We know by given that 100% represents 20 tables. We can use the rule of three, to find the number that represents a 65%, that is, if 100% is 20 tables, 65% how many tables would be?

65\%\frac{20}{100\%} =13

There are 13 tables of 6 chairs at each table.

Similarly, if 100% represents 20 tables, 35% how many tables would represent?

35\%\frac{20}{100\%} =7

There are 7 tables of 4 chairs at each table.

Then, we need to multiply to find the total number of chairs.

We know that there are 13 tables of 6 chairs, so

13 tables \times 6 chairs=78 chairs

We also know that there are 7 tables of 4 chairs, so

7 tables \times 4chairs=28chairs

Therefore, the total number of chairs is

78+28=106

There are 106 chairs in the hospital cafeteria.

Virty [35]3 years ago
6 0

Answer:

Step-by-step explanation:

So if their is 65% of 20 tables with 6 chairs that's 13 tables.

And if their is 35% of 20 tables with 4 chairs that's 7 tables.

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