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mfl6189
If a certain mixture consists of sugar and cinnamon, how many ounces of sugar are in the mixture?

(1) The ratio of the number of ounces of sugar to the number of ounces of cinnamon is 2 to 5.
(2) The mixture weighs more than 20 ounces.

The Q asks a definite number value.
1) Provides a ratio - Not Sufficient.
2) Provides an inequality of the total weight - Not Sufficient.
1+2) Provides a ratio & an inequality of the total weight - Not Sufficient to get a definite number.
Hence Ans E.
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mfl6189
If a certain mixture consists of sugar and cinnamon, how many ounces of sugar are in the mixture?

(1) The ratio of the number of ounces of sugar to the number of ounces of cinnamon is 2 to 5.
(2) The mixture weighs more than 20 ounces.

Dear Moderator,
Found this DS question in the PS section, hope you will do the needful. Thank you.
____________________
Moved to DS. Thank you.
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Hello guys,

Why can't we calculate the number of ounces as we have the total number and the ratio, so that combining both would allow us to find the result ?

I might not understand the process to solve this easy pb.

Thank you for your help !
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Quote:
If a certain mixture consists of sugar and cinnamon, how many ounces of sugar are in the mixture?

(1) The ratio of the number of ounces of sugar to the number of ounces of cinnamon is 2 to 5.
sugar = 2x, cinnamon = 5x, total mixture = 7x
As x is unknown, amount of sugar cannot be calculated

(2) The mixture weighs more than 20 ounces.
Amount of sugar cannot be calculated

(1)+(2);
Mixture is more than 20 ounces
7x > 20
x > 2.8 approx
x can be 3, 4,5...
therefore absolute amount of sugar ie. 2x cannot be calculated

E is correct
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