Question

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topic name linear equations in one variable OK

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Answer 1

23rd answer is in the attachment

Answer :

24). let the number of deers = x

total = x
eating grass = x/2
remaining = x - x/2
playing = x/2 × 3/4 = 3x/8
drinking water = 9

A.T.Q

x = x/2 + 3x/8 + 9

x/1 - x/2 - 3x/8 = 9

8x-4x-3x/8 = 9

x/8 = 9

x = 9×8

x = 72

Hence, the total number of deer in the herd is 72

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Answer 2

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Here is your answer

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⏩⏩Solution of questions no. 23

Let 2x m of trousers material and 3x m of shirt material be bought by him

S.P of shirt material per m = ₹ 50 + 50 × (12/100) = ₹ 56


S.P of trouser material per metre = ₹ 90 + 90 ×(10/100) = ₹ 99

Total amount of sale = ₹ 36,600

A/Q

(2x × 99) + (3x × 56) = 36,600

198x + 168x = 36,600

366x = 366,00

x = 36,600/366

x = 100

Total trouser material bought by him is

2x = 2 × 100 = 200m

Total shirt material be bought is

3x = 3 × 100 = 300m

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24) Let the total no. of dear be x

Deer grazing in the field be x/2

Deer playing nearby = 3/4( x - x/2) = 3/4 × x/2 =
3x/8

Deer drinking water = 9


A/Q

x/2 + 3x/8 + 9 = x

(4x + 3x)/8 + 9 = x

7x/8 + 9 = x

x - 7x/8 = 9

(8x - 7x)/8 = 9

x/ 8 = 9

x = 9 × 8

x = 72

Therefore the no. of herd in the field is 72 ..


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