Posted: March 30th, 2017

Using a $10.00 bill as payment, there are other amounts you could spend tht would result in change that has the same digits as the amount you spent. What are these combinations? How many can you find? How did you find them?

Imagine that you made a purchase that cost cost $1.85. You paid with a $10.00 bill, and you received $8.15 in change. Notice tht the digits in your change are the same as the digits in the amount you spent. Using a $10.00 bill as payment, there are other amounts you could spend tht would result in change that has the same digits as the amount you spent. What are these combinations? How many can you find? How did you find them?