Ioana a cumparat 3 pixuri si cinci crti pentru care a platit 26 de lei iar Alina a cumparat 5 pixuri si 6 carti pentru care a platit 34 lei .Cat a costat o carte?

found it xd it ok yt

11

step-by-step explanation:

32.50-7.50=25

225/25=11

uhhh idk u yolo?

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.