An amusement park purchased equipment from a manufacturer for a list price of
$42,000, minus trade discounts of 30/20/15. Calculate the amount of the trade discount
On the purchase.
A. $19,992 C. $23,520
B. $22,008 D. $29,400

I got totally confused with this one, please can somebody help...

The answer is (d) again

SmartAngel:

Your answer is B. Here's how:

42000 X 30% = 12,600 (42000-12600=29400) so,
29400 X 20% = 5,880 (29400-5880=23520) so,
23530 X 15% = 3,528 so,

12600 + 5880 + 3528 = $22,008

Hope this helps!

Meafunchic

Sorry, meafunchic, but your answer is wrong... This is the correct formula ( the long way)... 42,000x30%=12,600... 42,000-12,600= 29,400...
29,400x20%=5,880... 29,400-5,880= 23,520... 23,520 x15%=3,528... 23,520-3528-19,992... This is the correct answer... as you do NOT add 12,600+5,880+3,528... The short cut formula for this equation is:100%-30=70, 100%-20=810, 100%-15=85 (What you are doing here is calculating the complement of each rate and converting each percent to a decimal... Then, you MULTIPLY .7 (70%), 8 (80%), and .85 (85%) = .476; Multiply .476 by 42,000= 19,992

Sorry, I have a typo... it should be 100%-20=80%, not 810...

Please ignore the above post, as I posted in error... the correct answer is indeed 22,008... I apologize