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T U BHARGAV

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answer for,5. Business B pledged $20 million less than twice the amount pledged by Business A. Business C pledged $200 million less than twice the amount pledged by Business B. If x represents the amount pledged by the Business A, write expressions to show
LET LENGTH'l' be x breadth 'b'=3x/4 perimetre=2(l+b) 56=2(x+3x/4) 28=7x/4 x=16 l=16,b=12 from pythogaras theorem d2=b2+h2 d2=256+144 d2=400 d=20 (square root of 400=20)
30t+40t=400 70t=400 t= 400/70 =5.71hrs After 5.71hrs they will be at 400miles apart.
M*B*G* = 8----------1 M*B =28----------2 M*G =20----------3 G= 3-1=12 B= 2=1=20 M=8

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