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
Juliette [100K]
3 years ago
6

The ratio of students to teachers at a school is 19 : 1. At this school, there are 400 people (teachers and students). How many

of these 400 people are students? (enter number only, without the unit)
Mathematics
2 answers:
Artyom0805 [142]3 years ago
6 0

Answer:

380

Step-by-step explanation:

Let 19x =  no. of students

        x =  no. of teachers

Then,  x + 19x = 400

20x = 400

x = 20

19x = 19(20) = 380

Varvara68 [4.7K]3 years ago
4 0

Answer:

There are 380 students and 20 teachers.

You might be interested in
The numbers of chocolate
Mrrafil [7]

mean = sum/n

mean = (5 + 7 + 7 + 9 + 12 + 16 + 21)/7

mean = 77/7

mean = 11

8 0
3 years ago
Hey friends answer this please <br> Please give the letter choice
Aliun [14]

1.2\cdot 10^{-3}-2.0\cdot 10^{-4}=1.2\cdot 10^{-3}-0.20\cdot 10^{-3}\\\\=1.0\cdot 10^{-3}

The appropriate choice is ...

... D) 1.0×10⁻³ inch

8 0
3 years ago
8+a=21 plssssssssssssszzzz​
attashe74 [19]

Answer:

13

Step-by-step explanation:

because a is the missing number. Well, 21 minus or -  8 is equal to 13.

8 0
3 years ago
Can anyone help me with this one :D
allsm [11]

Answer:

the answers is (10^1)^3 = 1000

4 0
3 years ago
2/5 + r = 1 and 4/5 <br> What is r?
MariettaO [177]
Answer- r= 7\5 hope this helps!!
7 0
3 years ago
Other questions:
  • Sandy is working with a carpenter to frame a house. They are using 8-foot-long boards, but each board must be cut to be 7 feet,
    13·2 answers
  • Fine the exact distance between the line 6x-y=-3 and the point (6,2). Show your work. Explain your answer.
    15·1 answer
  • Is this correct ? check plsss...
    5·2 answers
  • Determine the slope and the y-intercept. <br>y = 5x + 6
    5·2 answers
  • 10cm 2years what is the unit rate as height per year
    12·1 answer
  • Can someone please help me it’s due like right now!
    12·1 answer
  • the glee club has 5% more girls more than boys. there are 82 students in the glee club. how many are boys? how many are girls?
    14·2 answers
  • What's the perimeter of rectangle DEFG, shown? A) 17 B) 28 C) 40 D) 34
    11·2 answers
  • 1+10=10<br> 2+20 =20<br> 3+30=28<br> 4+40=32<br> 5+50=28<br> 6+60=?
    11·1 answer
  • 11/12 times 8 HELP ME PLZPLZ PLZ PLZPLZPLZ
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!