Rebecca and megan are shopping at store that sells jewelry, scarves, and purses. the cost of all the items at the store include tax.

rebecca buys some scarves that cost $5 each and 2 purses that cost $12 each. the cost of rebecca total purchase is $39. which equation can be used to find n, the number of scarves that rebecca buys?

a. 5+24n=39
b 5n+24=39
c (24+5)n=39
d 24*5+n=39

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.

What is the interquartile range of this day at set?