In an apartment building that has 490 units, 4 out of every 7 units are currently rented, including 1/5 of the one-bedroom units. If, of the rented apartments, there is a 6:1 ratio of two-bedroom units to one-bedroom units, and the building only consists of two-bedroom and one-bedroom units, how many two-bedroom units are not rented?
(A) 50
(B) 70
(C) 100
(D) 105
(E) 140
Kudos if you find it useful! Thanks!![]()
(A) 50
(B) 70
(C) 100
(D) 105
(E) 140
Kudos if you find it useful! Thanks!