Andrzej ma 16 lat to jest dwa razy tyle co Jacek miał wtedy gdy Andrzej miał tyle co Jacek ma teraz. Ile Jacek ma lat?
16 = 2(j - (a-j))
16 = 2(j - a + j)
8 = 2j - a
a = 16
8 = 2j - 16
24 = 2j
j(acek) = 12
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
16 = 2(j - (a-j))
16 = 2(j - a + j)
8 = 2j - a
a = 16
8 = 2j - 16
24 = 2j
j(acek) = 12