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Dmitriy789 [7]
3 years ago
7

NEED HELP NOW 10 POINTS WILL MARK BRAINLIEST ANSWER PLZ ANSWER ALL 5 PHOTOS!!!!!

Mathematics
1 answer:
CaHeK987 [17]3 years ago
7 0
Where are the photos?
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How many gallons of a 20% acid solution should be mixed with 30 gallons of a 40% solution, to obtain a mixture of 30% acid solut
Alexeev081 [22]

Answer:

30 gallons of 20% acid solution should be mixed.

Step-by-step explanation:

Let x gallons of a 20% acid solution was mixed with 30 gallons of a 40% solution, to obtain a mixture of 30% acid solution.

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4 0
3 years ago
What is the mathematical sentence of "A number increasd by 7 is 15?
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WILL GIVE BRAINLIST
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I think it will be combined and simplified

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