Question

answer the question ​

Answer 1

8) let the total deer =x

grazing=x/2

playing=3/4(x-x/2)

drinking water=9

x/2+3/4(x-x/2)+9=x

x/2+3x/4-3x/8-x=-9

4x+6x-3x-8x/8=-9

10x-11x/8=-9

-x/8=-9

x=72

no. of deers =72

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Answer 2

Answer:

7=

Let Hassan buys shirt material be 3x metre and tousers material be 2x metre

Cost of 1m shirt material = ₹50

cost of 3m shirt material=₹50×3x=₹150x

Profit of shirt material=12%

Actual profit on shirt material=150x of 12%

=150x ×120÷100=₹18x

sp of shirt material=cp+gain=150x+18x=₹168

cost of 1m tousers material=₹90

cost of 2m tousers material=₹2x ×90=180x

profit of tousers material=10%

actual profit on tousers material=180x of 10% =₹18x

sp of tousers material=cp+gain=180x+18x=₹198x

A/Q,

168x +198x =36600

366x =36600

X =36600 ÷366=100

Tousers material=2x =2×100= 200m

Shirt material= 3x= 3×100= 300m