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
Papessa [141]
3 years ago
9

Luke and Leia are selling hot dogs and hamburgers at a minor league baseball game. At the end of the day they determine they hav

e sold a total of 45 items and earned $195. If hot dogs cost $4 and hamburgers cost $5, how many did they sell of each?
What would be a system of equations for the scenario above?
Mathematics
1 answer:
diamong [38]3 years ago
3 0

Answer:

15 hamburgers were sold and 30 hotdogs were sold.

The systems of equations are x + y = 45 and 4x + 5y = 195.

Step-by-step explanation:

Let's make two equations.

x + y = 45

This represents the total of hotdogs and hamburgers sold

4x + 5y = 195

This represents the amount of money made for each food.

These are systems of equations, when you use 2 equations to solve a problem. I will use the strategy, Elimination for the following systems of equations. Anyways the goal is to multiply a number to x + y = 45 to cancel out one of the variables in 4x + 5y = 195. In other words, when we add these equations, the sum of the xs or ys will equal 0.

Let's multiply -5 to both x and y.

Now we have -5x -5y = -225 + 4x + 5y= 195

We will end up with -x = -30. This means that x = 30.

Now that we know x = 30, we can plug in 30 as x in one of the equations. I will plug in 30 into x + y = 45. 30 + y = 45.

Solve for y in 30 + y = 45, so y=15.

This means 15 hamburgers were sold and 30 hotdogs were sold.

You might be interested in
1. Angle AOF has what measurement according to the protractor? A. 40 B. 140 C. 60 D. 120
fredd [130]

Answer:

140 degrees

Step-by-step explanation:

Just measure from point A to point F giving you 140 degrees.

7 0
3 years ago
Help me with number 15, will give brainliest:)
gladu [14]
i believe it’s D because where you have 20 marked it’s 20 more from where you are which would be around 40 which is why i’m saying D
5 0
2 years ago
Read 2 more answers
P(×)= x(2x + 1)- 6x-3 <br>Factorize p(×) ​
kherson [118]

Step-by-step explanation:

P(X)=2x²-5x-3 is in the form ax²+bx+c

Using quadratic equation

x={-b±√(b²-4ac)}/2a

x=3,-1/2

4 0
3 years ago
What’s the answer and work for this? Someone please tell me
Nadusha1986 [10]

Answer:

<h2>The averages are equal, since both are 4.</h2>

Step-by-step explanation:

2 + 4 + 6 = 12 / 3 = 4

Average of even numbers = 4

1 + 3 + 5 + 7 = 16 / 4 = 4

Average of odd numbers = 4

The averages are equal, since both are 4.

<em>Hope that helps!</em>

8 0
2 years ago
Help plz:)))I’ll mark u Brainliest
goldfiish [28.3K]

Answer:

11, 21, 31

Step-by-step explanation:

In a triangle with side lengths a, b, and c, any two sides must have a sum larger than the third.

Using this rule, the possible side lengths out of these choices that could form a triangle are:

21,

11,

31

8 0
2 years ago
Other questions:
  • I have a 5 in the ones place. when u add 30 to me, you get 55. what number am I ? is it 25
    13·2 answers
  • Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists using a new type of split keyboa
    8·1 answer
  • What is 235500000000000 in scientific notation?
    15·2 answers
  • Point A lies on the circle and has an x-coordinate of –3. Which value could be the y-coordinate for point A? 2.5 2.8
    11·2 answers
  • Find the vertical, horizontal, and slant asymptotes, if any for y=x^3/ (x-2)^4
    8·1 answer
  • NEED HELP PLEASE SOLVE. due in 20 mins!
    7·1 answer
  • Solve for x. please please i need help help me please
    7·1 answer
  • Jeremy used 11 gallons and 3 quarts of water to water his garden. How many quarts of water did Jeremy use?
    7·1 answer
  • PLEASE HELP! State the horizontal asymptote of the rational function.
    12·1 answer
  • Find the equation of the line through point (10,4) and parallel to 3x+5y=8. Use a slash ("/") for fractions (e.g. 1/2 for 12). D
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!