hanpscl
23.09.2020 •
Mathematics
4r + 7 + 8 = -1
Can you rewrite this equation and give the answer?
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Ответ:
r=-4
Step-by-step explanation:
you add then rerite it
Ответ:
The 1 whole fraction of the box will be done in (1/2) ÷ (2/3) = 1/2 × 3/2 = 3/4 minutes
1 box is packed in (3/4) minutes.
Number of boxes per minute = (1 box) / (3/4) minute = 4/3 boxes per minute.