Respuesta :
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.
Answer:
There are 106 chairs in the hospital cafeteria.
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?
[tex]65\%\frac{20}{100\%} =13[/tex]
There are 13 tables of 6 chairs at each table.
Similarly, if 100% represents 20 tables, 35% how many tables would represent?
[tex]35\%\frac{20}{100\%} =7[/tex]
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
[tex]13 tables \times 6 chairs=78 chairs[/tex]
We also know that there are 7 tables of 4 chairs, so
[tex]7 tables \times 4chairs=28chairs[/tex]
Therefore, the total number of chairs is
[tex]78+28=106[/tex]
There are 106 chairs in the hospital cafeteria.