Katy bought a candy bar and shared it with her two sisters. she gave her youngest sister 1/4 of the candy bar. her older sister received 1/3 of the candy bar. how much of the candy bar did katy keep?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The function models the number of accidents

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?