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
liberstina [14]
2 years ago
11

Elisa bought some boxes of pencils for $3.99 each and some boxes of pens at $4.99 each. If p represents the number of boxes of p

encils and b represents the number of boxes of pens, which equation describes the relationship between these two variables if she spent a total of $39.91 on these items?
A. 4.99p + 3.99b = 39.91
B. 4.99p - 3.99b = 39.91
C. 3.99p + 4.99b = 39.91
D. 3.99p - 4.99b = 39.91
Mathematics
1 answer:
vladimir2022 [97]2 years ago
8 0

The equation which describes the relationship between these two variables is 39.91 = 3.99p + 4.99b

Given:

<em>Cost of each box of pencil</em> = $3.99

<em>Cost of each box of pen </em>= $4.99

<em>Total cost</em> = $39.91

let

p = <em>number of boxes of pencils</em>

b = <em>number of boxes of pens</em>

The equation:

<em>Total cost = (Cost of each box of pencil × number of boxes of pencils) + (Cost of each box of pen × number of boxes of pens)</em>

39.91 = (3.99 × p) + (4.99 × b)

39.91 = 3.99p + 4.99b

Therefore, equation which describes the relationship between these two variables is 39.91 = 3.99p + 4.99b

Read more:

brainly.com/question/8957185

You might be interested in
The Gates family has a home that they purchased for $160,000. If the value of their home increases at a rate of 3% per year, how
Westkost [7]
The answer will be the first one, $208,000

1) find the total percentage - 3x10=30%

30% of 160,000 = 48,000

160,000 + 48,000 = $208,000
8 0
2 years ago
39 times 49 times 81
d1i1m1o1n [39]

Answer:

154,791

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The set of all points that are equidistant from two points
AfilCa [17]
That will be a line passing through the center and  perpendicular to, a line joining the 2 points.
5 0
3 years ago
The drama club was selecting which carnival booths to sponsor at the fall carnival from a list of nine. How many different ways
denis-greek [22]

Answer:

Option B

Step-by-step explanation:

Here we have to apply " combination and permutation. " It is given that the drama club had to choose three booths from a selection of 9, considering the possible ways to choose so. This is a perfect example of combination. In nCr, n corresponds to 9, respectively r corresponds to 3.

\mathrm{n\:choose\:r},\\nCr=\frac{n!}{r!\left(n-r\right)!},\\\\\frac{9!}{3!\left(9-3\right)!} =\\\frac{9!}{3!\cdot \:6!} =\\\\\frac{9\cdot \:8\cdot \:7}{3!} =\\\frac{504}{6} =\\\\84\\\\Solution = Option B

Hope that helps!

8 0
3 years ago
What is f(3) if f(x) = 2x + 1?
RideAnS [48]
Plug in 3 for x
f(3) = 2(3) + 1
f(3) = 6 + 1
Solution is 7
4 0
2 years ago
Read 2 more answers
Other questions:
  • Who runs the fastest ? (ONLY ANSWER IF YOU KNOW IT BECAUSE CORRECT ONE GETS BRAINLIEST)
    14·1 answer
  • The temperature at noon is 18 degrees with the wind chill, it feels like -4 degrees. how much colder is the wind chill temperatu
    7·1 answer
  • What is the answer to ax-8b=c
    8·1 answer
  • What is the difference of –89.16 – 154.81? A –243.97 B –65.65 C 65.65 D 243.97
    12·2 answers
  • Solve the equation for x by graphing.<br><br> 2^x - 4 = -4^x + 4
    15·2 answers
  • For every 60 students, three teachers are needed. Predict how many students 15 teachers can teach​
    13·1 answer
  • R = 3.7 m.<br> Calculate the circumference of the circle.
    8·1 answer
  • What is d in this problem d⋅24=−12
    14·2 answers
  • Hello please evaluate the expression ( 2x - y)
    5·1 answer
  • Our teacher hasn’t explained the concept yet but class was canceled today
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!