zitterkoph
19.01.2020 •
Mathematics
Amotor boat travels 130km in 5 hours going upstream. it travels 220km going downstream in the same amount of time. what is the rate of the boat in still water and what is the rate of the current?
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Ответ:
5b-5c=130
5b+5c=220
10b=350
b=35
c=9
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Ответ:
1x also written as: x
Step-by-step explanation:
The GCF is the number/variable that both terms have in common. Here, the only number that can go into 3 and 4 is 1. For variables, 4 has only one x and 3 has 2 x's. But the GCF will still only be 1 x because only 1 can go into both. So the answer is 1x, or just x.