1. At what price must an article which cost $450 be sold in order to make a profit of 16.5% on cost?​

When y’all answer can y’all explain too !

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

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%