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storchak [24]
2 years ago
13

Is the average (arithmetic mean) of x and y greater than 20? the average (arithmetic mean) of 2x and 2y is 48. x = 3y?

Mathematics
1 answer:
AysviL [449]2 years ago
4 0
2x + 2y = 48
2(x + y) = 48
x + y = 24
mean = 24/2 = 12

less than 20
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