2 years ago

there are 36 pupils in a class 4/9 wear digital watches.how many pupils in the class do.not wear digital watches

Mathematics

2 answers:

Alex73 [517]2 years ago

7 0

Answer:

20 students

Step-by-step explanation:

No. of people are 36

No. Of people in one grp are 9

No.of people formed : 36/9

No.of people wearing digital watch in grp 1 =4

Total no. Of people wearing digital watch =4x4

Which is 16

Then, the number of people who do not wear digital watches are 36-16=20

Hence, 20 people do not wear digital watches in classroom of 36 students

olga nikolaevna [1]2 years ago

6 0

Answer:

20 do not wear digital watches

Step-by-step explanation:

$\frac{4}{9}$ × 36 = 4 × 4 = 16 ← wear digital watches , then

36 - 16 = 20 ← do not wear digital watches

You might be interested in

What is the irrational number between 5.5and5.2

levacccp [35]

Answer:
The irrational number between 5.5 and 5.2 is square root of 30.

6 0

3 years ago

13. Evaluate * g(x) = x – 2x2 find g (1)

Trava [24]

Answer:

X= -1 or X= -3 . Probably the first one

Step-by-step explanation:

4 0

3 years ago

Ms Sherman is preparing 5 and 5/8 cups of rice for his family reunion. She plans to use 1/4 of a cup for each serving. How many

Temka [501]

5 5/8 as an improper fraction

(8*5 +5) /8 = 45/8

45/8 divided by 1/4 =

copy dot flip

45/8 * 4/1 = 45/2

22 1/2

She has 22 1/2 servings

4 0

3 years ago

Help me please I need this done by tomorrow!!!!

Reptile [31]

12) 12, 8

12 - 8 = 4

12 + 8 = 20

Answer: 4 < x < 20

13) 11, 3

11 - 3 = 8

11 + 3 = 14

Answer: 8 < x < 14

Hope this helps :)

3 0

3 years ago

If you are able to save, $150 dollars per month-how many months will it take you to

Katen [24]

Answer:

16.66months

Step-by-step explanation:

2500/150

6 0

3 years ago

Read 2 more answers

there are 36 pupils in a class 4/9 wear digital watches.how many pupils in the class do.not wear digital watches​

there are 36 pupils in a class 4/9 wear digital watches.how many pupils in the class do.not wear digital watches