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
Artemon [7]
3 years ago
9

Exactly 120 tickets were sold for a concert. The tickets cost $12 each for adults, $10 each for seniors, and $6 each for childre

n The number of adult tickets sold was equal to the number of child tickets sold. Given that the total revenue from the ticket sales was $1100, the number of senior tickets sold was
A:110
B:20
C:40
D:2
E:18
Mathematics
1 answer:
Gemiola [76]3 years ago
5 0
A=adult tickets
c=chlderenticekts
s=sinior tickets

a=c

a+c+s=120
2a+s=120

total made is 1100
12a+6c+10s=1100
sub
a=c
12a+6a+10s=1100
add
18a+10s=1100

multiply first equation by -9 and add to other equation

-18a-9s=-1080
18a+10s=1100 +
0a+s=20

s=20
20 senior tickets were sold

answer is B
You might be interested in
The walls in a room are being painted. If 4 cans cover 480 sq ft then how many cans cover 840 sq ft?
solong [7]

Answer:

7 cans

Step-by-step explanation:

You will first have to divide 480 by 4

The anwser is 480 ÷ 4 = 120

Then you will have to 840 ÷ 120 = 7

<h2>The answer is 7 cans </h2>
5 0
3 years ago
Read 2 more answers
Find the common difference of the arithmetic sequence 13,10,7
Hunter-Best [27]

Answer:

-3 I think

Step-by-step explanation:

well 10-7=3 and 13-10=3

but since it is greater number first it would make it a -3

4 0
3 years ago
The dimensions of a pet carrier is 20 inches
Sergeu [11.5K]

Answer:

2702.5 inches cubed

Step-by-step explanation:

20 x 11\frac{3}{4} x 11\frac{1}{2} = 2702.5

3 0
2 years ago
The dimensions of a conical funnel are shown below: A conical funnel is shown with the height of the cone as 8 inches and the ra
ELEN [110]

Answer:

B

Step-by-step explanation:

r=3 in

h=8 in

Volume of funnel

V=\frac{1}{3}\pi r^2h\\=\frac{1}{3} \times 3.14 \times 3^2 \times 8\\=75.36 in.^3\\time ~taken~to~drip out=\frac{75.36}{15}\\\approx 5.02~minutes.

7 0
3 years ago
Read 2 more answers
Greg budgeted carefully and by the time he turned 30 his retirement account balance was $22,000. If that amount grew at a rate o
Ratling [72]

Answer:

$618,253.61

Step-by-step explanation:

30 to 65 is 35 years

22000 × (1 + 10/100)³⁵

22000 × 1.1³⁵

618253.6107

6 0
3 years ago
Other questions:
  • use the unit circle and the reference angle to determine which of the followimg trigonometric values is correct when o= 135 degr
    10·1 answer
  • If f (x) = StartRoot x minus 3 EndRoot, which inequality can be used to find the domain of f(x)? Options Below
    12·2 answers
  • If Wendell were to slice the doghouse with a plane parallel to the two sides through any section of the doghouse, what shape wou
    6·1 answer
  • 4. The two lines represent the distance, over time, that two cars are traveling. Which car is traveling faster? Explain how you
    10·1 answer
  • PLEASE ANSWER IM DESPERATE
    5·2 answers
  • which pair of terms has 4a as the greatest common factor ? 8a and 18a , 8b and 16a , 12a and 16ab , 20a and 27a
    8·1 answer
  • Find the volume of the figure
    12·1 answer
  • Simplify 4 to the 2nd power • 4 to the 8th power
    13·2 answers
  • A zoo has 15 bears and 5 tigers.<br> The number of bears is how many times the number of tigers?
    15·2 answers
  • In the expression 3x+7 what is the coefficient
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!