Textbook Problem

In Problems 23-30, round all calculations to 2 decimal places.

Supply and demand Use the supply and demand schedules in Problems 27 and 28, with p in dollars and x as the number of units.

Supply Schedule		Demand Schedule
x	p	x	p
0	120	0	2400
10	260	10	1500
20	380	20	1200
30	450	30	950
40	540	40	800
50	630	50	730
60	680	60	680
70	720	70	640

Production Suppose that the rate of production of a product (in units per week) is measured at the end of each of the first 5 weeks after start-up and the data in the table are obtained.

Weeks t	Rate R(t)	Weeks t	Rate R(t)
0	250.0	3	243.3
1	247.6	4	241.3
2	245.4	5	239.5

Approximate the total number of units produced in the first 5 weeks.