11 less than four times a number is the same as 46 less than the product of -1 and the number

17 in long 1.3 ft wide and 8in high what is the volume

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?

5cakes cost 3.50 how much do 7 cakes cost