Diane find 3 and a half cans of paint are just enough to paint one third of her room. How many more cans of paint will she need to finish her room and paint a second room of the same size? Pick one: A) 5 B) 17 and a half C) 10 D) 12 and a half E) 15
She will need 7 cans to paint the rest of this room and 10 1/2 for the next room for a total of 17 1/2 cans.   17 and a half
<result>B</result>
Diane find 3 and a half cans of paint are just enough to paint one third of her room. How many more cans of paint will she need to finish her room and paint a second room of the same size?