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damaskus [11]
3 years ago
6

Can someone answer number 16 PLEASE

Mathematics
2 answers:
dangina [55]3 years ago
7 0
The answer should be 34
-Dominant- [34]3 years ago
5 0

Answer:

If i am correct it should be 34

Step-by-step explanation:

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A gas station sells regular gas for $2.20 per gallon and premium gas for $3.00 a gallon. at the end of a business day 300 gallon
zaharov [31]
You can use a system of equations to answer this question.

1st:  2.20r + 3p = 700 is showing how to get the total cost.
2nd: r + p = 300 shows how many gallons were sold.

If we solve r + p = 300 for r, we can then solve the first equation in terms of r only.

r + p =300
p = 300 - r  Use this in place of p in the first equation.

2.20r + 3p = 700
2.2r + 3(300 - r) = 700
2.2r + 900 - 3r = 700
       -900            -900
2.2r - 3r = -200
<u>-0.8r </u>= <u>-200</u>
-0.8     -0.8
r = 250 gallons

There were 250 regular gallons sold and 50 premium gallons sold (300 - 250).
8 0
3 years ago
Elimination method 2x -3y=7 3x-2y=13
strojnjashka [21]

Answer:

x = 5 and y = 1 or (5, 1)

Step-by-step explanation:

2x -3y=7

3x-2y=13

Multiply (1st) equation by 3 and (2nd) equation by 2

6x -9y=21

6x-4y=26

----------------subtract

-5y = - 5

y = 1

Substitute y = 1 into 2x -3y=7

2x -3(1)=7

2x - 3 = 7

2x = 10

x = 5

Answer

x = 5 and y = 1 or (5, 1)

7 0
3 years ago
What is the value of 4p − 2, when p = 8?
Setler [38]

Answer:

The value of 4p - 2 is 30

Step-by-step explanation:

If you multiply 4* 8 you get 32

32 - 2 = 30

8 0
3 years ago
Read 2 more answers
A credit card company charges 22% interest fee on any charges not paid at the end of the month.. If the bill totals $450 for thi
34kurt

Answer:

B

Step-by-step explanation:

Because

4 0
2 years ago
Need help with # 1 &amp; 3 please!!!!
elena55 [62]

1) Around $0.11

2) Around 176.71 in^2

8 0
3 years ago
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