deena7
26.06.2019 •
Mathematics
Mindy and troy ate total of 9 pieces of the wedding cake. mindy ate 3 pieces and troy ate 1/4 of the total cake. write an equation to determine how many pieces of cakes (c) were in total.
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Ответ:
I. x + y = 9
II. x = 3
III. y/c = 1/4 --> y = 1/4*c
II and III in I
3 + 1/4*c = 9 --> c = 24
Ответ:
w-wh and why is that your username please tell me