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OpenStudy (howard-wolowitz):
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OpenStudy (howard-wolowitz):
@iGreen
OpenStudy (howard-wolowitz):
@Michele_Laino
OpenStudy (howard-wolowitz):
sorry but i put A and got it right
OpenStudy (howard-wolowitz):
it was 3x+51
OpenStudy (michele_laino):
yes! that's right! y=3x+51
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OpenStudy (michele_laino):
here the answer is b), since we have to compute this: (2.25-0.75)/3=0.5 being 0.5 the weight of a single cup
OpenStudy (michele_laino):
so the weight for x cups is: 0.5*x+0.75
OpenStudy (howard-wolowitz):
ok gotcha
OpenStudy (michele_laino):
0.75 is the weight when there are no cups inside the water jug
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