Sagot :
[tex](0.100-0.15)x=76.49[/tex]
[tex]0.85x=76.49[/tex]
[tex]x= \frac{76.49}{0.85} [/tex]
[tex]x=89.99[/tex]
[tex]$89.99[/tex]
[tex]0.85x=76.49[/tex]
[tex]x= \frac{76.49}{0.85} [/tex]
[tex]x=89.99[/tex]
[tex]$89.99[/tex]