Respuesta:
two books were bought hahahahaha 139
libro A
libro B
A + B = 130
A = 1/4B
Reemplazando
1/4B + B = 130
5/4B = 130
B = 104
A = 26
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Respuesta:
two books were bought hahahahaha 139
Verified answer
Respuesta:
libro A
libro B
A + B = 130
A = 1/4B
Reemplazando
1/4B + B = 130
5/4B = 130
B = 104
A = 26