Ignacio divides a sub into 3 equal pieces for his friends. what fraction of the sub does each friend receive?

1. one half sub
2. one third sub
3. one fourth sub
4. one fifth sub

If it’s for him and his friends 1/4 if only for his friends 1\3

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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