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For an agricultural experiment, 300 seeds were planted in

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For an agricultural experiment, 300 seeds were planted in [#permalink]

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New post 07 Feb 2012, 04:25
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For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

A) 12%
B) 26%
C) 29%
D) 30%
E) 60%
[Reveal] Spoiler: OA

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Re: For an agricultural experiment, 300 seeds were planted in [#permalink]

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New post 07 Feb 2012, 04:33
fiendex wrote:
For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

A) 12%
B) 26%
C) 29%
D) 30%
E) 60%


From the first plot 0.25*300=75;
From the second plot 0.35*200=70;

Total percent = (75+70)/(300+200) = 0.29.

Answer: C.
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Re: For an agricultural experiment, 300 seeds were planted in [#permalink]

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New post 17 May 2017, 06:13
For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

A) 12%
B) 26%
C) 29%
D) 30%
E) 60%

Seeds planted in one plot = 300
Seeds germinated in one plot = 25% of 300 = \(\frac{25}{100}\) x 300 = 75

Seeds planted in second plot = 200
Seeds germinated in second plot = 35% of 200 = \(\frac{35}{100}\) x 200 = 70

Total seeds planted = 300 + 200 = 500
Total number of seeds germinated = 75 + 70 = 145

Percent of the total number of seeds germinated = Total seeds germinated / Total seeds planted x 100 = \(\frac{145}{500}\) x 100 = 29%
Answer C...

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Re: For an agricultural experiment, 300 seeds were planted in [#permalink]

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New post 17 May 2017, 06:20
fiendex wrote:
For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

A) 12%
B) 26%
C) 29%
D) 30%
E) 60%


First plot : 300 seeds
Second Plot : 200 seeds

Seeds germinated in 1st plot = .25*300 = 75
Seeds germinated in 2nd plot = .35 * 200 = 70
Total seeds germinated = 145

Total seeds planted = 500
Percentage of seeds germinated = (145/500)*100 = 29%

[Reveal] Spoiler:
Answer C

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Re: For an agricultural experiment, 300 seeds were planted in [#permalink]

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New post 19 May 2017, 06:23
fiendex wrote:
For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

A) 12%
B) 26%
C) 29%
D) 30%
E) 60%


We are given that 25% of 300, or 0.25 x 300 = 75, seeds germinated in the first plot. We are also given that 35% of 200, or 0.35 x 200 = 70, seeds germinated in the second plot. Thus, a total of 75 + 70 = 145 seeds germinated, or 145/500 = 29/100 = 29% of the seeds germinated.

Answer: C
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Re: For an agricultural experiment, 300 seeds were planted in   [#permalink] 19 May 2017, 06:23
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