There are 40 tables in a library, with 30% of them seating 4 people. The tables remaining only seat 22 people. How many seats are there in the library?

Question

Mathematics

Guest

22 October, 09:09

There are 40 tables in a library, with 30% of them seating 4 people. The tables remaining only seat 22 people. How many seats are there in the library?

+5

Answers (2)

Know the Answer?

Denver · Answer 1

30% of 40 = 0.30 (40) = 12 ... so 12 tables seat 4 people per table = 12 x 4 = 48 seats ... tables remaining seat 22 people (22 seats).

48 + 22 = 70 seats total

Sawyer Morse · Answer 2

30% of 40 is

30/100 times 40=

3/10 times 40=

120/10=

12

12 seat 4 people

40-12=28 seating 22

total seats=

12*4+28*22=

48+616=

664

664 seats