Which of the following could be a real-world description of the quantity two times x end quantity divided by 10? The cost of a pizza split by 10 people plus a $2 tip
The cost of a pizza plus a $2 tip divided by 10 people
The cost per pizza for 10 pizzas divided by 2 people
The cost per pizza for 2 pizzas divided by 10 people

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?