You originally draw a design for an art contest on a 3 in. x 5 in. card. the second phase of the contest requires the drawing to be transferred to an 8.5 in x 11 in. standard sheet of paper and utilize as much of the space on the paper as possible. you determine that the largest size one of the dimensions of your drawing can be is 10.5 in. what is the length of the other dimension if the two drawings are similar? type your exact answer in the blank without the units, and round to the nearest tenths.

numerical answers expected!

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?