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
allochka39001 [22]
3 years ago
5

Tickets prices for a science museum are $18 for adults and $12 for students. If $162 is collected from a group of 12 people, how

many adults and students are in a group?
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
6 0
X=number of adults, y= number of students

x+y=12
18x+12y=162

You can simplify the second equation by dividing by six: 3x+2y=27
Rearrange the first equation: y= 12-x. Plug y into the simplified second equation:

3x+2(12-x)=27
3x-2x+24=27
x=3.

Plug the now known x value into y=12-x. So y= 9.
Therefore, there are 3 adults and 9 students.

You might be interested in
The student council at Eleanor Roosevelt High School is taking a survey of student opinions on this year's homecoming theme. To
xeze [42]

Answer:

i  dont think so because it wont work effictianly

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which is more valuable a pile of pennies equaling your weight or a stack of quarters equaling your height?
11Alexandr11 [23.1K]

Answer:

A pile of pennies

Step-by-step explanation:

7 0
3 years ago
Write two fractions that are equivalent to 5
Dima020 [189]

Answer:

5/1, 25/5

Step-by-step explanation:

8 0
3 years ago
Solve asap I'll mark brainliest​
diamong [38]

Answer:

s = 4/21

Step-by-step explanation:

Move all terms not containing  s  to the right side of the equation, then solve.

5 0
3 years ago
Read 2 more answers
If Angela has $500 to invest at 2.5% per annum compounded quarterly, how long will it be
11Alexandr11 [23.1K]
N = number of compounding periods
Years = log (total / principal) / n * log (1 + rate / n)
Years = log (750 / 500) / 4 * log (1 + .025/n)
Years = log (1.5) / 4 * log (1<span><span>.00625) </span>
</span> <span>Years = 0.17609125906 / 4 * 0.0027058933759
</span><span>Years = 0.17609125906 </span> / <span> <span> <span> 0.0108235735 </span> </span> </span>
Years = <span> <span> <span> 16.2692348382 </span> </span> </span>

Source Calculator
http://www.1728.org/compint.htm


5 0
3 years ago
Other questions:
  • Rosa made a mosaic wall using 42 black tiles, 35 blue tiles, and 23 red tiles. Write a percent to represent the number of red ti
    8·2 answers
  • PLEASE HELP ASAP!!!! WILL GIVE BRAINLYEST!!!!
    13·1 answer
  • Which side lengths form a right triangle?
    14·1 answer
  • Describe the test grades using the measures of center
    11·1 answer
  • At a bargain store, Tanya bought 3 items that each cost the same amount. Tony bought 4 items that each cost the same amount., bu
    5·1 answer
  • Which one a b c or d
    8·1 answer
  • Please answer this !!
    14·1 answer
  • Advanced Trigonometry, pls help me answer this!​
    10·1 answer
  • Write the slope-intercept form of the equation of each line
    13·2 answers
  • In a scientific study there are 7 guinea pigs, 4 of which are pregnant. If 3 are selected at random without replacement, find th
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!