[tex]a)\\\\original \ price : \ x \\ The \ price \ of \ a \ bicycle \ is \ reduced \ by \ 7.5 \ \% : \ \ x-7.5\ \%x \\\\ x-7.5\ \% x= 6,243.75\\x-0,075x=6,243.75\\0,925x=6,243.75 \ \ / *1000\\925x=6243750 \ \ / :925 \\x=6750 \\ \\ Answer : \ \ original \ price \ it \ 6,750 [/tex]
[tex]6750 - 6,243.75=506,25\\ \\Answer: \ You \ can \ save \ by \ buying \ a \ bycicle \ \ 506,25[/tex]
