only1123
02.10.2019 •
Mathematics
Three balls numbered 1,2, and 3 are placed in a box. the box is shaken and the balls are drawn without replacement.
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Ответ:
The first part is 11 weeks. The second part is 12 weeks. So plan A will pay for the computer faster.
Step-by-step explanation:
plan A:
840-180=660
660/60=11
plan B:
840/70=12