Question 177817
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R + M  + F + E + D = 271
R - 5M + 0 + 0 + 0 = 0
0 + 2M + 0 - E + 0 = 0
0 + 2M - F +2E + 0 = 0
R + 0  + 0 + 0 - D = 79
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Solving
:
R = 92.1
M = 18.42
F = 110.52
E = 36.84
D = 13.1