Step-by-step explanation:
0.4 can be 40%
A number decreased by 40% is 450.
What would I decrease by 40%? Probably a discounted item.
Hmm.. what item should I buy... that's $450.
Answer:
I want to buy a phone. It was on sale for 40% off and I purchased it for $450. How much money was the original phone?
