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entonces en la recta a...k.... m...k..... b y c.....3k/2....n....3k/2.... d
y bc es 10
dicen mn es 45
pero mn es
k+10+3k/2=45
5k+20/2=45
5k+20=90
5k=70
k=14
piden mc
MC es k+10=14+10
24