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kirza4 [7]
2 years ago
7

Geoff wants to make a 100 ml of 5% alcohol solution mixing a quantity of a 2% alcohol solution with a 7% alcohol solution. What

are the quantities of each of the two solutions (2% and 7%) he has to use?
____ ml of the 2% solution

____ ml of the 7% solution
Mathematics
1 answer:
Paha777 [63]2 years ago
7 0

Answer:

3

Step-by-step explanation:

753

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Bob sets the price of the plants according to their height in inches. A plant that is 9.5 inches high costs $2.28 in his store.
wel

Answer: $0.24

Step-by-step explanation:

9.5 inches --> $2.28
1 inch--->X
now cross multiply it and get,

9.5X = 2.28*1
X = 2.28/9.5

so its $0.24 per inch

4 0
1 year ago
X-3 divided by 4 = 12
yulyashka [42]

Answer:

x = 51

Step-by-step explanation:

(x-3) /4 = 12

Multiply each side by 4

(x-3) /4 *4 = 12*4

x-3 = 48

Add 3 to each side

x-3+3 = 48+3

x = 51

4 0
3 years ago
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Solve by inspection: X+4=15
amid [387]

x + 4 = 15

- 4        -4

x = 11

You would subtract 4 because you need to isolate the x to get the value of x. You would subtract it to both sides because whatever you do on one side, you have to do it to the other side.

7 0
3 years ago
Read 2 more answers
Ramu and ravi borrowed rs 8000​
Phoenix [80]

Answer: Rs. 11,520

Step-by-step explanation:

As the method of compounding is not stated, the default of simple interest will be used.

Simple interest is a fixed amount that is paid over the course of the loan and is based on the original amount borrowed.

Formula is:

Amount owed = Amount borrowed * ( 1 + rate * time)

= 8,000 * ( 1 + 8% * 5.5 years)

= 8,000 * 1.44

= rs 11,520

4 0
2 years ago
V=ZQT Solve for z in this equation
Ganezh [65]

Answer:

Z= V/QT

Step-by-step explanation:

4 0
2 years ago
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