savannahvargas512
20.08.2019 •
Mathematics
Arace is 10 kilometers long. markers will be placed at the beginning and end of the race-course and at each 500-meter mark. how many markers are needed to mark the course for the race?
type in the answer.
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Ответ:
Ответ:
Ответ:
y=4
Step-by-step explanation:
3(9) +4y= 43
27+4y=43
4y=16
y=4