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
leva [86]
2 years ago
15

in the month of November a dance troupe had 150 members. In December there was a 20% decrease in the members. In January there w

as a 20% increase from the month before. How many members were in January?
Mathematics
1 answer:
Marat540 [252]2 years ago
8 0
Hello!
When I do something with percentages I always look at it as if it was a fraction. When there is a decrease of 20%, it means that you keep 80 percent of the 100 percent, so 80/100. To calculate this, we devide 150 by 100 (1.5) and then multiply by 80 (120)

We do the same thing for January, only this is an increase, so 120 percent. the fraction is 120/100. 120 (where we left off) divided by 100 (1.2) times 120 is 144 members, this is your answer!

Hope this helped you!
You might be interested in
Consider a political discussion group consisting of 4 ​Democrats, 4 ​Republicans, and 5 Independents. Suppose that two group mem
kumpel [21]

steps:
total: 13 ppl
republicans: 4
1st person: 13-4/13 9/13
2nd person: 12-4/12 (because one person was taken out). 8/12
6 0
2 years ago
Yellow Taxi Cabs charges a $7 flat rate in addition to $2.25 per mile. Kate has $100 to spend on transportation. How many miles
enyata [817]
Kate can travel 41.33 miles without exceeding her limit. This problem can be solved by using y = 2.25x  + 7 linear equation with the "y" variable as the total cost that Kate must pay after she has traveled with the cab and the "x" variable as Kate's traveling distance. The equation has 7 for its constant value which is the $7 flat rate. We will find 41.33 miles as the traveling distance if we substituted the total cost with 100, which is the maximum amount that can be paid by Kate for the traveling purpose.
7 0
3 years ago
An engineer makes different-size samples of a new material.
miv72 [106K]

Answer:

The mass of 100 cubic centimeters of the material would be  

1,000 grams.

The mass of 500 cubic centimeters of the material would be  

5,000 grams.

Step-by-step explanation:

3 0
3 years ago
Solve each triangle. Round your answers to the nearest tenth.<br> m∠A = 60°, m∠B = 30°, c = 30 cm
Svetach [21]

Answer:

mb = 30

Step-by-step explanation:

i got it from me school

8 0
1 year ago
Read 2 more answers
Is algebra.
gtnhenbr [62]

Answer: the answer is b

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Select ALL of the symbols that would make the comparison true. 2.5 ___ 2.05.
    8·1 answer
  • Which statements about angles are true? Check all that apply.
    5·1 answer
  • Cindy’s parking garage charges $3.50 for weekday parking, and weekends are half price. If Cindy parked in the garage 20 times pe
    7·1 answer
  • Which equation could help you solve 32-4?
    12·2 answers
  • Karen says every equilateral is acute. Is this true?
    6·2 answers
  • Given: (↔AB) ║ (↔CD)
    11·1 answer
  • true or false. the absolute value of. number will always be greater than the number itself. justify ur answer
    13·1 answer
  • I went to many other places, I saw their answers and turns out the only answer I searched up was wrong!
    15·2 answers
  • I still dont understand how they got 50
    5·2 answers
  • If a pen and a pencil cost 1.10$ but the pen cost is 1$ more than pencil​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!