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Respuesta :

D.45 minutes
is the correct answer...

through this graph we get that
1point=3/2minutes..
therefore

30 points =3/2 30=45 minutes...



HOPE IT HELPS YOU '_'
slope =10/12=5/6
y=(5/6)x+b
6=(5/6)*18+b    (18,6)
6=15+b
b=-9

y=(5/6)x-9
30=(5/6)x-9


39=(5/6)x
x=39*6/5≈46

correct answer 45

in principle, you can look and see, that all other answers too low, even 42 gives 27
so 30 should be higher

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