Sam can make 15 pizzas in 2.5 hours. At this rate, how many could he make in an 8 hour work day? What is Sam´s rate per hour? A copy machine makes 45 copies in 25 second. Find the unit rate of copied per second.

A sign in a store says 3 pens for $2.70. How much would 10 pens cost?

What is the unit price of 10 pounds of potatoes that cost $2.80?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

5x−4≥12 or 12x+5≤−4 can you with this problem