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
andrey2020 [161]
3 years ago
5

Lea sold 2 cherry pies and 4 pumpkin pies for a total of $116. Kali sold 7 cherry pies and 8 pumpkins pies for a total of $286.

What is the cost of one cherry pie and of one pumpkin pie
Mathematics
1 answer:
Nitella [24]3 years ago
7 0

Answer: the cost of one cherry pie is $18 and the cost of one pumpkin pie is $20

Step-by-step explanation:

Let x represent the cost of one cherry pie.

Let y represent the cost of one pumpkin pie.

Lea sold 2 cherry pies and 4 pumpkin pies for a total of $116. This means that

2x + 4y = 116 - - - - - - - - - - - - - -1

Kali sold 7 cherry pies and 8 pumpkins pies for a total of $286. This means that

7x + 8y = 286 - - - - - - - - - - - - 2

Multiplying equation 1 by 7 and equation 2 by 2, it becomes

14x + 28y = 812

14x + 16y = 572

Subtracting, it becomes

12y = 240

y = 240/12 = 20

Substituting y = 20 into equation 1, it becomes

2x + 4 × 20 = 116

2x + 80 = 116

2x = 116 - 80 = 36

x = 36/2 = 18

You might be interested in
Destiny paid $6.60 for a dozen cupcakes for a birthday party. What is the unit cost for each cupcake?
balandron [24]

Answer:

The unit cost for each cupcake is .55 or 55 cents

Step-by-step explanation:

6.60 divided by 12 is .55  so therefore, your answer is .55 have a great day hopes this helps :)

4 0
2 years ago
NEED HELP RIGHT AWAY DONT HAVE ANY TIME TO WAIT!!
Fiesta28 [93]
Question 1:
------------------------

Total points = 100
Total question = 40
Type of questions : 2-points question and 4-points questions

Assumed all 40 questions are 2-points questions.
Total points = 40 x 2 = 80

Difference in points = 100 - 80 = 20 points
Difference in the 2 type of questions = 4 - 2 = 2

Number of 4 marks questions = 20 ÷ 2 = 10 

Number of 2 marks questions = 40 - 10 = 30

Answer: There are 10 4-marks questions and 30 2-marks questions.

------------------------------------------------------------------------------------------------

Question 2:
------------------------

Let x be the number of offices you need to clean.

Total cost = 315 + 4x
Total revenue = 25x

To break even,
315 + 4x = 25x
21x = 315
x = 15

Answer: You need to clean 15 offices to break even.

------------------------------------------------------------------------------------------------

Question 3:
------------------------

Total distance (including return trip) = 255 + 255 = 510 miles

Total time taken = 1.7 + 1.5 = 3.2 hours

Speed = Distance ÷ time

Speed = 510 ÷ 3.2 = 159.38 miles/hour

Answer: The average speed is 159.38 miles/hour

5 0
3 years ago
Read 2 more answers
P(Red|Heart) when drawing one card out of deck of cards?
Sophie [7]
13/52. There are 13 red hearts in a deck of 52 cards. 
3 0
3 years ago
SOMEONE PLEASE HELP ME ASAP WITH THIS AND SHOW WORK
Phantasy [73]
I’m sorry I can’t help but pray
5 0
3 years ago
¿cuál es el número que no pertenece a esta suceción 99,105111,117,123,129,135,141,147,153
shepuryov [24]

No hay ninguno de los nimbers que no pertenezca a la secuencia.

<h3>¿Qué número no pertenece a la secuencia?</h3>

Sabemos que una secuencia tiene que ver con un arreglo de números en un orden definido. Todos los números en una secuencia deben tener la misma razón común o diferencia común.

Si miramos todos los números que están escritos en la secuencia, la diferencia común aquí es seis. Se sigue entonces que todos los números son parte de la sucesión y no hay ninguno de los números que no pertenezca a la sucesión.

Obtenga más información sobre la secuencia: brainly.com/question/21961097

#SPJ1

7 0
2 years ago
Other questions:
  • Simplify (x^3+5x^2+5x-2)+(x+2)
    13·2 answers
  • Find the average of 10,18, and 13
    6·1 answer
  • plz help me out it would be a prouder I don't know these tuitions pls help me I will give u 100 points and mark u brainliest 1,2
    5·2 answers
  • An exotic-animal rancher needs to purchase feed for his unicorns. Unfortunately, commercial unicorn feed is not available. The u
    14·1 answer
  • What is 37/ 50 as a mixed number or percentage
    5·2 answers
  • Plz answer this for me
    15·2 answers
  • What number is the opposite of -3?<br> Explain your reasoning
    10·1 answer
  • Find the factors of 45
    7·2 answers
  • If p varies directly as r and p= 3.2 when r=4, find the value of p when r= 6.5<br>​
    7·1 answer
  • Question 3 of 10
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!