50 X (40 X$20) = 50 X $800 = $40,000
15 X (4 X (50% X $20+ $50)) = 15 X (4 X $60) = 15 X 240 = $3600
$40,000 + $3600 = $43,600 Total payroll
$3,600/$43,600 = .0825688073 as a percent rounded to the nearest tenth is 8.3%
Answer:

Step-by-step explanation:
Let x be the original price.
( 1 - 20% ) x = 23.2



Answer:
120 Books
Step-by-step explanation:
60% of 120 is 72