10040816
16.09.2019 •
Mathematics
Alarge random sample of american students in seventh grade showed that 20\%20%20, percent of them were reading below grade level.
based on this data, which of the following conclusions are valid?
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Ответ:
⅖ m or 0.4 m
Step-by-step explanation:
1 m [meter(s)] = 100 cm [centimeter(s)].
(x) m = (100)(x) cm
(100)(x) = 40
x = 40 / 100
x = 4 / 10 = 2 / 5
x = 0.4