aLma=ana+6
1/2 (alma-4)<ana-4
1/2 (ana+6 -4)<ana-4
ana+2 < 2ana-8
ana>10
alma>16
check that.
alma is 6 years older than her sister ana. four years ago, ana's age is more than half of alma's age. what are their present ages
1 answer
2 answers