Christina bought 6 souvenirs during 3 days of vacation. how many days will christina have to spend on vacation before she will have bought a total of 16 souvenirs? solve using unit rates.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

In the 30-60-90 triangle below side s has a length of and side r has a length