Approaches to calculating sale cost

Question

show 2 different approaches to calculating the sale cost of a jacket, regularly $200 which has a discount of 30% include the final answer for each method shown. Neglect sales tax for this problem

Answer 1

1. Find 30% of 200.

 

.30 * 200 = 60

 

Now, subtract 60 from 200.

 

200 - 60 = 140. The sale cost is $140

 

2. Find 70% of 200.

 

70/100 = x/200

 

100x = 14000

 

x = 140 dollars