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dsp73
3 years ago
9

A horse has a water barrel in which 3/10 of a gallon is drank out of it every day. How many days will it take the horse to drink

42 gallons of water?
Mathematics
2 answers:
Troyanec [42]3 years ago
8 0

Answer:

140 days

Step-by-step explanation:

xxTIMURxx [149]3 years ago
4 0
140 days


Explanation:

3/10 x 42 would be 40 then times it by 100 to get 140, hope this helps :)
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Step-by-step explanation:

\text{Given:}\\\\AB=3x-4\\AC=2x+12\\BC=7x-2\\AB:AC=1:2\Rightarrow(3x-4):(2x+12)=1:2\\\\\dfrac{3x-4}{2x+12}=\dfrac{1}{2}\qquad\text{cross multiply}\\\\(3x-4)(2)=(2x+12)(1)\qquad\text{use the distributive property}\\\\(3x)(2)+(-4)(2)=2x+12\\\\6x-8=2x+12\qquad\text{add 8 to both sides}\\\\6x-8+8=2x+12+8\\\\6x=2x+20\qquad\text{subtract}\ 2x\ \text{from both sides}\\\\6x-2x=2x-2x+20\\\\4x=20\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{20}{4}\\\\x=5

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