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
liraira [26]
2 years ago
12

A concession stand sells hamburgers (h) for $2 and hotdogs (d) for $1. On Friday night they sold a total of 300 hamburgers and h

otdogs and made $420. How many of each did they sell? Which system of equations matches the situation?
Mathematics
2 answers:
Andrei [34K]2 years ago
8 0

Answer:

Number of hamburgers = 120

Number of hotdogs = 180

Step-by-step explanation:

A concession stand sells hamburgers (h) for $2 and hotdogs (d) for $1.

On Friday night they sold a total of 300 hamburgers and hotdogs and made $420.

We have to find the numbers of hamburgers and hotdogs.

Now we have to form the equations

h + d = 300------(1)

2h + 1d = 420-------(2)

By subtracting equation 2 from 1.

2h + d - h - d = 420 - 300

h = 120

and from equation 1

d + 120 = 300

d = 300 - 120 = 180

Therefore total 120 hamburgers and 180 hotdogs were sold.

guajiro [1.7K]2 years ago
5 0
A) 2h+d=420. b) h+d=300. Subtract b) from a). h+0=120 so h=120. You sold 120 hamburgers. And so you must have sold 180 hotdogs.
You might be interested in
This month Salesperson A made 11% of $67,530. Salesperson B made 8% of $85,740. Who made more commission this month? How much di
laiz [17]

Answer:

Salesman A made $569.1 more commission than salesman B

Step-by-step explanation:

(11/100)*67530= (amount made by salesperson A)

=7428.3

(8/100)*85740= (amount made by salesperson B)

=6859.2

A-B= 569.1

Hope this helps :D

6 0
3 years ago
Find 2x2 − 2z4 + y2 − x2 + z4 if x = −4, y = 3, and z = 2.
maw [93]
If you put in the substitutions it would be 2*2-(2*2*4)+(3*2)-(-4*2)+(2*4).
Simplified further by multiplying it would be 2*2-8+6--8+8
the negative 8 could be simplified further since the negatives cancel out so you'll have 2*2-8+6+8+8.
Then using the order of operations you would multiply the 2's together first to get 4 so you have 4-8+6+8+8. 
After that it's simple addition giving you an answer of -26.
I'm not sure if you're looking for the final answer or just the equation with substitutions but there's both.

3 0
3 years ago
I need help please and thank you.
kogti [31]

Step-by-step explanation:

\frac{2x}{5}  +  \frac{1}{3}  =  \frac{7x - 2}{15}

\frac{6x + 5}{15}  =  \frac{7x - 2}{15}

6x + 5 = 7x - 2

6x - 7x =  - 2 - 5

- x =  - 7

x = 7

option (4)

6 0
3 years ago
I need help with this work
hammer [34]

Answer:

no

Step-by-step explanation

m=18

the reason why is because 5+4 =9 so 9*2=18

18/2=9

9-4=5

4 0
3 years ago
What is ∑n=15[5(−2)n−1] equal to?
kicyunya [14]

Answer:

Although the notation is sloppy, I will assume based on former questions of the same that "∑n=15[5(−2)^n−1]" translates mathematically to . Please correct me, though, if this in incorrect.

Anyway, there is neat formula that will deal with question very quickly. It is the following:

Sn is the sum of the geometric series

a1 is the first term in the series

r is the common ratio

n is the number of terms in the finite geometric series

Let's use this formula to our advantage! However, there are two variables that we do not know: a1 and n. Let's start with a1.The first term in the series is when n=1, so let's determine what that is.

6 0
2 years ago
Other questions:
  • What is 4/5(x+1) in standard form
    14·1 answer
  • In a triangle the length of two sides are 1.9m and 0.7m. What is the length of the third side, if you know that it should be a w
    6·1 answer
  • Evaluate the expression when b is 6 and t is -3  5bt
    8·2 answers
  • HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION!!!!!!!!
    9·1 answer
  • X=y+6<br> X+6y=20 <br><br><br> Solving systems of equations using substitution
    8·1 answer
  • Anyone know the answer too this m-43=14
    11·1 answer
  • Is 0.36 less than 0.63
    7·1 answer
  • What is the degree of the polynomial 5a^6bc^2+8d^5+7e^6f^2−10g^4h^7 ?
    9·1 answer
  • It takes Andre 4 minutes to swim 5 laps. How many laps per minute is that?
    15·1 answer
  • i) in a certain county there are two political parties, liberal and conservative. it has been observed that between elections a
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!