It took mary lou 5/6 hour to write a report for english class. it took heather 9/10 as much time to write her report as it took mary lou. did mary lou take more time on her report?

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint