280 eels
92 + 56 + 52 = 200
eel = 56/200
56 *5 x
----- = --------
200 *5 1000
56(5) = 280 x = 280
56/200 = 7/25
7/25 = 280/1000
You only wrote one option, but luckily, those two fractions ARE equivalent!
We know that because if you multiply the denominator AND numerator by 4, you get 16/20.
Fairly certain the answer is C
2 (3µ) t = Mx
M = 6 µt / x
M = 6 * 2.42 * 131 x 10^-9 /
633 x 10^-9
M = 3
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