Discount is:
$42* (30/100)= $12.60
$42 -$12.60= $29.40
The sweater will cost $29.40 after the discount~
Notice, you've got a diameter in inches
and a linear velocity in miles
thus, you'd need to convert first

now, whatever that is, you'll need to divide it by a revolution, recall, a revolution is

thus
Answer:
$ 720
Step-by-step explanation:
Normal time $ 15
Overtime: 15 x 1/3 = $5 + $15 = $20
(40 x 15) + (6 x 20) = 600 + 120
.7777777778 the calculator says, only because it ran out of room :)
Step-by-step explanation:
easy union means all the element from small to big