Four containers of flour are on the table: the first contains 1/3 of a pound, the second contains 1/6 of a pound...

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Thu Apr 30, 2020 4:59 am

Princeton Review

Four containers of flour are on the table: the first contains 1/3 of a pound, the second contains 1/6 of a pound, the third contains 1/9 of a pound, and the fourth contains 1/18 of a pound. If each container can hold one pound of flour, how many additional pounds of flour are required to fill all four containers?

A. 2/9
B. 2/3
C. 11/9
D. 25/9
E. 10/3

OA E

Capacity of all four containers = 1*4 = 4 pounds

Amount of flour in all four containers = 1/3 + 1/6 + 1/9 + 1/18 = 2/3 pounds

Additional pounds of flour are required to fill all four containers = 4 – 2/3 = 10/3 pounds

The correct answer: E

Hope this helps!

-Jay
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AAPL wrote: ↑

Thu Apr 30, 2020 4:59 am

Princeton Review

Four containers of flour are on the table: the first contains 1/3 of a pound, the second contains 1/6 of a pound, the third contains 1/9 of a pound, and the fourth contains 1/18 of a pound. If each container can hold one pound of flour, how many additional pounds of flour are required to fill all four containers?

A. 2/9
B. 2/3
C. 11/9
D. 25/9
E. 10/3

OA E

The total capacity of the 4 containers is 4 x 1 = 4 pounds. Since the total amount of flour currently in the 4 containers is: :

1/3 + 1/6 + 1/9 + 1/18

6/18 + 3/18 + 2/18 + 1/18 = 12/18 = 2/3 pound

We can still fill the 4 containers with 4 - 2/3 = 12/3 - 2/3 = 10/3 pounds of flour.

Answer: E