Marissa's fashions purchases designer boots from a manufacturer for $50.88 per pair. marissa then adds a certain amount to the price of the boots as a markup when she sells them in the store. the total cost for a customer buying the boots at the store is $90.10. this includes a 6.25% sales tax that is added after the markup.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

How do i solve uniform motion problems?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out