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At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is...

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by AAPL » Mon Oct 26, 2020 4:08 am

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Magoosh

At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?

A. 30
B. 90
C. 120
D. 180
E. 200

OA C
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Re: At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is

by Scott@TargetTestPrep » Sat Oct 31, 2020 2:15 pm
AAPL wrote: ↑
Mon Oct 26, 2020 4:08 am
 Magoosh

At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?

A. 30
B. 90
C. 120
D. 180
E. 200

OA C
Solution:

We can create the equation:

7x + 8x + 10x = 300

25x = 300

x = 12

So there are 10 x 12 = 120 chickens.

Answer: C

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Founder and CEO
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