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777dan777 [17]
3 years ago
7

What is x over 5 equals 8 over 9?

Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0
X/5 = 8/9
this is a proportion, so we cross multiply
(9)(x) = (5)(8)
9x = 40
x = 40/9 or 4 4/9
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