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
marusya05 [52]
2 years ago
7

In a class, 60% of the students are boys and the rest are girls. If the number of boys is 30, how many students are there? ​

Mathematics
1 answer:
irga5000 [103]2 years ago
5 0

50 total students

  • 20 girls

Explanation:

total students: 100%

----------------

  • 60% → 30
  • 1% → 30/60
  • 1% → 0.5
  • 100% → (0.5 * 100)
  • 100% → 50

number of girls:

  • total students - number of boys
  • 50 - 30
  • 20
You might be interested in
Can i get help working out 3x− 12 = 2x+ 3
Naddik [55]

Answer:

x = 15

Step-by-step explanation:

3x− 12 = 2x+ 3

3x-2x-12 = 3

x = 3+12

x=15

hope this helps! :)

5 0
2 years ago
WILL MARK BRAINLIEST IF CORRECT
RideAnS [48]
The answer would be “D” because it’s is 4 less than 7j.
7 0
3 years ago
Suppose a line has slope 4 and passes through the point (-2,5). Which other point must also be on the graph?
xxMikexx [17]
Slope of 4 means you add 4 to the y and 1 to the x so the answer is (-1,9)
5 0
3 years ago
A cable company offers two movie plans. Plan A costs $120 per month plus $5 per movie. Plan B costs $150 per month for unlimited
horsena [70]

Answer: he could watch a maximum of 6 movies with plan A and still pay the same but the better deal is plan B. I hope that this helps! :)

Step-by-step explanation:

6 0
2 years ago
What's the equivalent expression ​
Mkey [24]

Answer:

2^52

Step-by-step explanation:

(8^-5/2^-2)^-4 = (2^-15/2^-2)^-4= (2^-13)^-4= 2^((-13*(-4))= 2^52

3 0
3 years ago
Other questions:
  • What is the surface area of a rectangular prism. 8yd in length , 5yd in height , and 2yd in width.
    6·1 answer
  • There are 67 toy animals in the store. Then the clerk sells 19 toy animals. How many toy animals are in the store now? Describe
    7·2 answers
  • Interest earned after 15 days on $8000, at 8.5%​
    14·2 answers
  • If f(x)=x and g(x) =2, what is (f•g)(x)
    15·1 answer
  • Amy is putting money into a savings account. She starts with $650 in the savings account, and each week she adds $70 .
    5·1 answer
  • Given vectors u = (-3, 2) and v = (2, 1), what is the measure of the angle between the vectors?
    8·2 answers
  • You are having a birthday party and are inviting 6 friends. You have 9 cupcakes, and you are going to share the cupcakes fairly
    12·1 answer
  • HELP TAKE YOUR TIME°!!!<br><br><br> FOR MY SISTER
    12·2 answers
  • Find the area of this semi-circle with radius, r = 75cm.Give your answer rounded to 1 DP.
    12·1 answer
  • How many solutions does the equation −5a 5a 9 = 8 have? none one two infinitely many
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!