Business Mathematics Brief 12th Edition by Stanley Salzman ,Gary Clendenen, Charles Miller

تمرين 24

Solve for part in each of the following. Round to the nearest hundredth. (See Example.)
Solving for Part
Solve for part, using P = R × B.
(a) 4% of 50
(b) 1.2% of 180
(c) 140% of 225
(d)
% of 560
( Hint:
=.25%)
SOLUTION
(a)

(b)

(c)

(d)

Identify the three components in a percent problem. In your own words, describe how to identify each of these components. (See Objective.)
OBJECTIVE Know the three components of a percent problem. Problems in percent contain three main components. Usually, two of these components are given, and the third component must be found.