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87% (01:08) correct
13%
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This morning, a certain sugar container was full. Since then some of the sugar from this container was used to make cookies. If no other sugar was removed from or added to the container, by what percent did the amount of sugar in the container decrease?
(1) The amount of sugar in the container after making the cookies would need to be increased by 30 percent to fill the container.
(2) Six cups of sugar from the container were used to make the cookies.
(1) The amount of sugar in the container after making the cookies would need to be increased by 30 percent to fill the container.
(2) Six cups of sugar from the container were used to make the cookies.
Can any explain in multipliers form
Mean 30% = 0.30
Mean 30% = 0.30
24 Aug 2014, 22:49
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kanusha
Normally we don't need assign any values in DS problems, variables should be fine.
Now, let X be the amount of sugar in the container when it was full.
St1 says that we need increase 30% to fill the container.
Let A be the amount removed.
Now. (X-A)0.30 + (X-A)= X.
When you add,
1.3(X-A)= X. We dont need to solve till last step in DS. This will give us one definite value for A.
So St-1 is sufficient.
St.2) it doesn't give us any other information. a cup can be 1gm or 20 gm, or even 1000gm. since we don't have definite value, It is insufficient.
So the answer is A. Hope it helps.
15 Sep 2014, 03:50
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This morning, a certain sugar container was full. Since then some of the sugar from this container was used to make cookies. If no other sugar was removed from or added to the container, by what percent did the amount of sugar in the container decrease ?
1) The amount of sugar in the container after making the cookies would need to be increased by 30 percent to fill the container
2) Six cups of sugar from the container were used to make the cookies
----------
Let original amount of sugar was N
x unit is taken from the jar.
Statement 1 says : \(\frac{3}{10} (N-x) = x\)
\(\frac{N}{x} = \frac{13}{3}\)
Statement 1 is sufficient.
Statement 2 is clearly not sufficient.
Therefore, A is the answer.
1) The amount of sugar in the container after making the cookies would need to be increased by 30 percent to fill the container
2) Six cups of sugar from the container were used to make the cookies
----------
Let original amount of sugar was N
x unit is taken from the jar.
Statement 1 says : \(\frac{3}{10} (N-x) = x\)
\(\frac{N}{x} = \frac{13}{3}\)
Statement 1 is sufficient.
Statement 2 is clearly not sufficient.
Therefore, A is the answer.
