(A) h (B) h/x (C) hx (D) 1/h (E) x/h
Solución al anterior:
B Cree una tabla:
w= | r | t | |
Samuel | x/20 | 1/20 | x |
Marcos | x/30 | 1/30 | x |
x/20 + x/30 = 1
60(x/20 + x/30) = 60(1)
3x + 2x = 60
5x = 60
x = 12
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w= | r | t | |
Samuel | x/20 | 1/20 | x |
Marcos | x/30 | 1/30 | x |
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