1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Len [333]
3 years ago
7

A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of pencils and 4 boxes of pens for $8. Fi

nd the cost of each box of pencils and each box of pens
Mathematics
2 answers:
Annette [7]3 years ago
8 0
Let c and n represent the numbers of pencil and pen boxes, respectively
.. 3c +2n = 6.00
.. 2c +4n = 8.00

You can halve the second equation and subtract it from the first to get
.. (3c +2n) -(c +2n) = 6.00 -4.00
.. 2c = 2.00
.. c = 1.00

Then
.. 1.00 +2n = 4.00 . . . . . half the original second equation with c filled n
.. 2n = 3.00
.. n = 1.50

A box of pencils costs $1.00; a box of pens costs $1.50.
Vedmedyk [2.9K]3 years ago
7 0

Answer:

112 x 4

Step-by-step explanation:

You might be interested in
Can someone please help me with my math homework!!
larisa [96]
1.)11x^2-3x
2.)8x+1-x^2
3.)-x^2-x+8
4.)-2y+10-x^2
3 0
3 years ago
6. What is the solution of the
Lemur [1.5K]

Answer:

The solution is b

Step-by-step explanation:

3× -2y-9

4x +3y =22

3 0
2 years ago
Can someone please give the answer
guapka [62]

Answer:

I can only answer when it is written with pencil

5 0
3 years ago
Determine whether the underlined value is a parameter or a statistic. Upper A study of 6,076 adults in public rest rooms found t
alex41 [277]

Answer:

The value is a statistic because the 6,076 adults in public restrooms are a sample

Step-by-step explanation:

A measure that is calculated from a sample is known as sample statistic.

A study conducted and for the study 6076 adults are selected to inquire about the hand washing habit of adults. The selected 6076 adults are a sample and for this sample we computed the average 23% which demonstrates that 23% of adults did not wash their hands before exiting. So, a statistic is 23% and  6076 adults are a sample.

7 0
3 years ago
PLEASE HELP!!! ill give you brainliest
Orlov [11]

Answer:43 teaches

Step-by-step explanation:I research it

8 0
2 years ago
Other questions:
  • The second of two numbers is 5 more than twice the first. their sum is 80. find the numbers
    6·1 answer
  • Which statement best describes the effect of replacing the function f(x) = 2x − 2 with the function g(x) = 2x + 3?
    10·2 answers
  • What adds to negative 23 and multiples to negative 50
    7·1 answer
  • A^3+4a^2+4a factor completely
    5·1 answer
  • What is 5 dived by312 for 5th
    5·1 answer
  • (sqrt(6))/(8+\sqrt(10))
    13·1 answer
  • What is the first step in solving the following equation:<br><br> −1\2x − 33 = 33
    7·2 answers
  • What's a word problem for 10x=2
    15·1 answer
  • Sketch the graph of each equation y=-5x<br><br><br><br> for the down line it goes till -10
    15·1 answer
  • Help me, the question is in the picture<br><br> Thank you :)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!