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Anni [7]
3 years ago
11

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?
What solution is reasonable?
Question 3 options:


200 hamburgers and 50 hotdogs


50 hamburgers and 200 hotdogs


120 hamburgers and 180 hotdogs


100 hamburgers and 180 hotdogs

I think the answer is 120 hamburgers and 180 hotdogs ,but I'm not sure.Thanks to whoever helps me .
Mathematics
2 answers:
vladimir2022 [97]3 years ago
5 0
120 hamburgers and 180 hot dogs.
mixer [17]3 years ago
3 0

Answer: 120 hamburgers and 180 hotdogs

Step-by-step explanation:

Let 'x' be the number of hamburgers and 'y' be the number of hotdogs sold.

Then, the total number of hamburgers and hotdogs sold on friday will be given by :_

x+y=300.....................(1)

On the basis of their cost, the total cost will be:-

2x+y=420..............................(2)

Subtract (1) from (2), we get

x=120

Substitute the value of x in  (1), we get

120+y=300\\\Rightarrow y=300-120\\\Rightarrow y=180

Hence, they sold 120 hamburgers and 180 hotdogs.

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Please help me out ‼️
Westkost [7]

Answer:

7

Step-by-step explanation:

In similar triangles, corresponding elements are proportional. Then we get,

(2x + 1)/(x-1) = 10/4

4(2x +1)       = 10(x-1)

8x + 4         = 10x - 10

8x               = 10x - 14

2x               = 14

x                 = 7

Hope it helps and if it does, please mark me brainliest...

6 0
3 years ago
Read 2 more answers
???????anyone know...
RUDIKE [14]
The answer is:  " 60° " .
__________________________________________________________
     " m∠A = 60° " .
__________________________________________________________
Explanation:
__________________________________________________________

Note:  All triangles, by definition, have 3 (three) sides and 3 (three angles).

The triangle shown (in the "image attached") has three EQUAL side lengths.   Therefore, the triangle shown is an "equilateral triangle" and has 3 (three) equal angles, as well.

All triangles by, definition, have 3 (three) angles that add up to "180° " .

Since each of the 3 (three) angles is equal;  and the three angles are:  

  "∠A" , "∠B" , and "∠C" ;

We can find the measure of "∠A" ; denoted as:  "m∠A" ; as follows:
______________________________________________________
    m∠A  = 180° ÷ 3 = 60° .
______________________________________________________
The answer is:  " 60° " .
______________________________________________________
   m∠A = " 60° " .
______________________________________________________
7 0
3 years ago
When solving for -1/5(x-25)=7 what is the correct sequence of operations
slamgirl [31]

A sequence of operations that will get you to the solution is ...

... d. multiply each side by-5, add 25 to each side


_____

That is not the only correct sequence of operations. However the other ones listed here are incorrect ways to get to x = -10.


You can do whatever multiplication and addition you like to each side of the equation, but if those operations are poorly chosen, they will make finding the solution more difficult.

4 0
3 years ago
The pentagonal prism has a perpendicular distance of 14 units between the bases. The volume of the prism is 840 cubic units. Wha
Leno4ka [110]

Answer:

Option 4. Perimeter = 30 units

Step-by-step explanation:

Since the volume of a pentagonal prism is 840 cubic units.

Perpendicular distance between the bases = 14 units

We know volume of a pentagonal prism = Area of base × distance between the bases

840 = Area × 14

Area = 840/14 = 60 square units

Now area of a pentagon

A=\frac{a^{2}}{4}\times\sqrt{5(5+2\sqrt{5})}

1.72a^{2}=60

a^{2}=\frac{60}{1.72}=34.90

a=\sqrt{34.9}=5.91

Therefore perimeter of the pentagon = 5×a = 5×5.91 = 29.54 ≈ 30 units

8 0
3 years ago
Rounding each number to the nearest tenth
seraphim [82]

Answer: (17.310 would round up to 18) (7.14 would round down to just 17) So your new equation will be 18 + 17 =35

Step-by-step explanation:

4 0
3 years ago
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