Abag of 100kg of tea made up of leaf and dust tea is bought for rupees 17250. if leaf tea costs rupees 210 per kg and dust tea costs rupees 85 per kg, find the quantity of leaf and dust tea in the bag

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

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