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]
3 years ago
14

Three babies A,B and C cry out at interval time. Baby A cries out at every 20 mins, while B cries out at every 30 mins and C cri

es out at every 40 mins. if they are observed at the same time, after what time will the three of them cry together?
A. after 20 minutes
B. after 30 minutes
C. after 40 minutes
D. after 120 minutes​
Mathematics
2 answers:
BabaBlast [244]3 years ago
6 0
The answer will be D. After 120 minutes, because by looking at the three numbers, 20, 30, and 40, you have to find the common multiple for all three numbers, and in this case, 120 will fit all three numbers perfectly.
Kaylis [27]3 years ago
3 0
They all cried 210 minutes if u want it in hrs divide
You might be interested in
​Solve the systems of equations: ​ ​ ​​
Sidana [21]
(x,y)=(2,3)
This is Answer
6 0
3 years ago
Estimate the quotient of 9 1/3 divided by 2 3/4
son4ous [18]
It's about 3 (3 13/33) to be exact 
7 0
3 years ago
Read 2 more answers
Question : <br> 3x-9y+12=?
PSYCHO15rus [73]
Simplifyiing 
the greatest common factor is 3  so 

3x - 9y + 12 = 3(x - 3y + 4)
5 0
3 years ago
The sign on a clearance rack tells customers the price is 1/2 the lowest marked price. If an item is marked $9.98, how much will
Artyom0805 [142]

Answer:

4.99

Step-by-step explanation:

9.98 divide by 2

3 0
3 years ago
Slope of the line 8x+6y=12
Harlamova29_29 [7]
The slope

Of the line is -4/3
8 0
3 years ago
Read 2 more answers
Other questions:
  • if it is 5 degrees outside and the temperature will drop 17 degrees in the next 6 hours how could will it get
    9·1 answer
  • A model airplane is built to a scale of 1 in.:12 ft. If the model plane is 11 inches long, find the length of the actual plane,
    10·1 answer
  • The figure is made up of two shapes, a semicircle and a rectangle.
    14·2 answers
  • A four sectioned spinner is numbered 1-4. What is the probability you spin a 2, and then a 4?
    6·1 answer
  • Can you please answer the following
    9·2 answers
  • This year Adeele paid £465 for her car insurance. This is an increase of 20% on last year's payment. How much did Adele pay last
    10·1 answer
  • Tyler has to savings accounts that his grandparents opened for him . One of the accounts Pay 8% annual interest Where as the oth
    9·1 answer
  • The image shows the dimensions of a pool.
    12·1 answer
  • The answer to the question
    7·1 answer
  • Find the derivative using the first principles. ​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!