Tim has a large collection of books. The number of paperback books he owns is three less then four times the number of hardcover

Question

2 years ago

12

books. In total, Tim has 447 books. How many hardcover books does he own?

1 answer:

dlinn [17] · Answer 1 · 2022-08-14T22:15:47+03:00

dlinn [17]2 years ago

3 0

Answer: let the no of paperback books be x and hardcover books be y

4y - x = 3

Therefore, x - 4y = -3 -----(1)

x + y = 447 ----(2)

Put x = 447 - y in eqn 1

447- y - 4y = -3

-5y = -3 - 447

-5y = -450

y = 90

x = 357

Step-by-step explanation: