Question

Fingernails grow 1.5 inches per year. How long would it take to grow them 37 inches

Answer 1

$1,5\ inches\ \ in\ \ 1\ year\\ 37\ inches\ \ \ in\ \ \ x \ years \\\\Making\ ratio\\ 1,5-1\\ 37-x\\\\\ 1,5x=37\ \ \ |Divide\ by\ 1,5\\ x=27,7\ \ \ \ \\\\\ It\ will \take\ 27,7\ years.$