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Vlad [161]
3 years ago
13

Haseena bought 1 pencil box, 4 pencils and 4 notebooks from a store. She paid Rs. 95 in all. Some ink fell on the bill that she

got from the store. So the price of 1 notebook cannot be seen from the bill.What is the price of the one notebook?
Mathematics
1 answer:
Rudik [331]3 years ago
8 0

The price of the one notebook will be Rs. 10.6

  • Let the price of one notebook be x.

If Haseena bought 1 pencil box, 4 pencils and 4 notebooks from a store, with a total of Rs. 95 paid in all, then;

1x + 4x + 4x = 95

9x = 95

x = 95/9

x = 10. 6

Hence the price of the one notebook will be Rs. 10.6

Learn more on ratio here: brainly.com/question/20346769

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castortr0y [4]

Answer:

The answer would be B

Step-by-step explanation:

The answer would be B because if you divide 24 ÷ by 3.5 it equals 6.86. . .

So therefore (24 ÷ 3.5 = 6.86)

I hope my answer helped you!!!!

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Step-by-step explanation:

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b=sqrt (25-9)

b=sqrt(16)

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=> 4^2+7^2=c^2
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-7 = (-5) - (-12) true or false
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False

Step-by-step explanation:

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The digits 3, 4, 5, 6, and 7 are arranged to form even, five-digit numbers. What is the hundreds digit in the largest of these n
GarryVolchara [31]
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4 0
3 years ago
1:Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $3$ on them and the other two have a $9$ on them. Wha
3241004551 [841]

Answer:

Step-by-step explanation:

1 ) No of total slips after addition = 11

8 slip with 3 on it

3 slips with 9  on it

expectation value = probability of 3 x 3 + probability of 9 x 9

=  (8 / 11)  x 3 + (3 / 11)  x 9

24 / 11 + 27 / 11 = 4.636

2 )

No of total slips after addition = 12

8 slip with 3 on it

4 slips with 9  on it

expectation value = probability of 3 x 3 + probability of 9 x 9

=  (8 / 12)  x 3 + (4 / 12)  x 9

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3 )

Let n be the required number

No of total slips after addition = 10+n

8 slip with 3 on it

2 + n  slips with 9  on it

expectation value = probability of 3 x 3 + probability of 9 x 9

=  (8 / 10+n )  x 3 + (2+n  / 10+n )  x 9 = 6

24 + 18 + 9n / 10 + n  = 6

42 + 9n = 60 + 6n

3 n = 18

n = 6

4 )

Let n be the required number

No of total slips after addition = 10+n

8 slip with 3 on it

2 + n  slips with 9  on it

expectation value = probability of 3 x 3 + probability of 9 x 9

=  (8 / 10+n )  x 3 + (2+n  / 10+n )  x 9 = 8

24 + 18 + 9n / 10 + n  = 8

42 + 9n = 80 + 8n

n =

n = 38

Minimum of 38 has to be added .

6 0
3 years ago
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