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leva [86]
3 years ago
5

Please help me on these two

Mathematics
1 answer:
lesya [120]3 years ago
4 0

Answer:

1. A

2. A

Step-by-step explanation:

Im pretty sure that is correct

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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
Please help me with this question
lys-0071 [83]

Answer:

C

180(.6) because 40% off is 0.4 and what is left over is 60% or 0.6. When you multiply this you get 108. 5% sales tax is a 5% increase, so multiple 108(1.05) and you get $113.40.

7 0
2 years ago
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