x. 4/7 = 52
x. 4 = 52/7
x = 364/4
x = 91
respuesta: S/. 91 es la propina.
35
27-7=20
20/4=5
5*7=35
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x. 4/7 = 52
x. 4 = 52/7
x = 364/4
x = 91
respuesta: S/. 91 es la propina.
35
27-7=20
20/4=5
5*7=35