Louise is an artist and needs to apply a coat of varnish to her latest paintings. Usually it takes 7 minutes for the coat of varnish to dry on one painting. However, today she is using a new varnis…👇

Louise is an artist and needs to apply a coat of varnish to her latest paintings. Usually it takes 7 minutes for the coat of varnish to dry on one painting. However, today she is using a new varnish and it takes 12 minutes for the coat to dry. How much longer will it take for the coat of varnish on 1297177 paintings with the new varnish to dry as it would with the old varnish?