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
puteri [66]
3 years ago
10

There are 600 students in a school. The ratio of boys to girls is 3:5. How many boys and how many girls are there?

Mathematics
1 answer:
vitfil [10]3 years ago
8 0
Add both amounts together but both multiplied by an unknown value, x.
3x+5x=600
8x=600
8x/8=600/8
x=75
3(75)=225
225 boys
5(75)=375
375 girls

225 boys and 375 girls
You might be interested in
Please solve for both it’s due tomorrow, easy points !
PSYCHO15rus [73]

Answer:

13. 0.145, 0.18, 0.206, 0.315

14. 1.75 times

<u><em>WARNING</em></u>

<em>im not completely sure sooo, Im really really sorry if you get it wrong</em>

8 0
3 years ago
How to add fractions with different denominators and negative numbers?
Kisachek [45]
Let find the least of common multiple = LCM it’s for the denominators.
Multiple of the numerator then the denominator to get the denominators
Don’t forget to to add the numerator but leave the denominators the same
8 0
3 years ago
Multiply this expression :: -2/7 • (-3 5/8)​
Helen [10]

Answer: 29/28

Step-by-step explanation:

-2/7 x (-3 5/8)

= -2/7 x -29/8

= 2/7 x 29/8 = 1/7 x 29/4

= 29/28

7 0
3 years ago
Which of the following results is NOT a way that trade can benefit all parties involved?
Nesterboy [21]

Answer: well, C is definitely correct so we can knock that off the board. D i am not so sure about considering that is the most impotant thing in trade so, the and would be D.  

hope this helped you...

Step-by-step explanation:

7 0
3 years ago
Assume that when adults with smartphones are randomly​ selected,41 ​% use them in meetings or classes. If 5 adult smartphone use
kotegsom [21]

Answer:

0.345

Step-by-step explanation:

Use binomial probability:

P = nCr pʳ qⁿ⁻ʳ

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1−p).

n = 5, r = 2, p = 0.41, and q = 0.59.

P = ₅C₂ (0.41)² (0.59)⁵⁻²

P = 0.345

3 0
3 years ago
Other questions:
  • When adding matrix A to the additive identity matrix, the result is ____________.
    5·1 answer
  • What is 17 grams/liters to ounces /quart
    5·1 answer
  • Which group of people had more reason to resist the Tea Act of 1773, colonial tea merchants or colonial tea drinkers? Why?
    13·1 answer
  • Which table represents a linear function?
    7·1 answer
  • Writing equation of the line that passes through the given points (16, -4) ; m= -3/4
    5·2 answers
  • A triangle has a perimeter of 165 cm. The first side is 65 cm less than twice the second side. The third side is 10 cm less than
    11·2 answers
  • The nth term of a sequence is 2N - six
    13·1 answer
  • If May was going to the prom and asked out 98 boys to go to the prom with her and 50% of the boys touched held her hand, made ey
    11·2 answers
  • Simplify the expression 8^2+9(12/3*2)-7 Step by step please :)
    12·1 answer
  • The circle has a Circumference of a 9.42units. What is the area of the square? Use 3.14
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!