Martina completed 48 out of 50 on her last math test. She got 38 marks correct. What percentage did she get on her test?

Geometry answer picture question pls . reason and statements

27 is what percent of 108? 27 is % of 108

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%