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Neko [114]
3 years ago
9

Which answer shows a correct order to solve this story problem?

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
5 0
The answer to your problem is C

OLga [1]3 years ago
4 0
The correct answer would be C :^)
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Help! Need by 10:30 to turn in and I'm confused!
Alecsey [184]

Answer:

8 boxes of tissues

5 bags of cough drops

Step-by-step explanation:

You need to write a system of equations.

x = number of tissue boxes

y = number of cough drop bags

x (number of tissue boxes) + y (number of cough drop bags) = 13 (total number of tissues and cough drops combined.

So, your first equation is

x + y = 13

Then, you need to write the second equation.

(1.69 [cost of 1 tissue box] * [number of tissue boxes]) + (1.19 [cost of one bag of cough drops] * [number of cough drop bags] = 19.47 [total cost of tissues and cough drops]

That's a lot to read, so here's the equation simplified!

1.69x + 1.19y = 19.47

Now, you have two equations:

x + y = 13

1.69x + 1.19y = 19.47

I would solve with the substitution method.

the first equation can be changed to x = 13 - y by subtracting y from both sides.

Then, your two equations are:

x = 13 - y

1.69x + 1.19y = 19.47

Now, you can plug in that value of x into the second equation!

1.69(13 - y) + 1.19y = 19.47

21.97 - 1.69y + 1.19y = 19.47

subtract 21.97 from both sides

-1.69y + 1.19y = -2.5

Add the y values

-0.5y = -2.5

divide both sides by -0.5

so, y equals 5 bags of cough drops

now that you know what y equals, plug it back into your original equation to find x!

x + y = 13

plug in y

x + 5 = 13

x = 8

so, x = 8 boxes of tissues

Hope this helps! Let me know if you have any questions!

8 0
3 years ago
Someone please help me will give BRAILIEST!!!!!
marishachu [46]
B. x > 70
 is the correct answer
3 0
3 years ago
Read 2 more answers
7x + 10x + 20 = what​
RSB [31]

Answer:

the answer is 17x+20

Step-by-step explanation:

7x+10x+20

17x+20

hope it helps

mark me brainliest pls

6 0
3 years ago
Read 2 more answers
What is 2.85 tons rounded to the nearest hundreth?
ipn [44]
It already is rounded to the nearest hundredth
5 0
3 years ago
Read 2 more answers
3^x.2x = 3^x + 2x-1​
sattari [20]

Answer:

x=0

Step-by-step explanation:

answer x=0

3 0
3 years ago
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