A hairstylist schedules 1
4
hour to trim a customer's hair and
1
6
hour to style the customer's hair. The hairstylist plans to work 4
1
3
hours each day for 5 days each week. How many appointments can the hairstylist schedule each week if each customer must be trimmed and styled?

The hairstylist can schedule appointments.

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

When a rectangle is dilated, how do the perimeter and area of the rectangle change?