Question

Dupa doua scumpiri succecive de 10%,un produs costa 60,5 lei Aflati pretul initial.

Answer 1

[tex]x=pretul\;initial\\ \\ x\cdot\frac{110}{100}\cdot\frac{110}{100}=60,5(lei)\\ \\ x\;=\;\frac{60,5\cdot100\cdot1\not0\not0}{11\not0\cdot11\not0}=6050:121=50(lei)[/tex]