While working at a yard sale, Ying helps a customer who buys items that cost $5, $2, $2.50, and $0.25. The customer hands Ying $3 and says to keep the $0.18 change. How much did the customer think the total was?
$3.00 - $0.18 = $____
I don't really think I'm right but it would be $5+$2+$2.50+$0.25 maybe?
My teacher told me I have to show my work. Can you help me show my work for part b and part a?
To find out how much the customer thought the total was, we can start by adding up the cost of the items that were bought.
The items bought by the customer cost $5, $2, $2.50, and $0.25. Adding these amounts gives us:
$5 + $2 + $2.50 + $0.25 = $9.75
So, the total cost of the items bought is $9.75.
The customer hands Ying $3 and says to keep the $0.18 change. This means Ying needs to give the customer $3 - $0.18 = $2.82 in change.
Now, to find out how much the customer thought the total was, we need to subtract the change given from the amount the customer handed over.
$3 - $2.82 = $0.18
Therefore, the customer thought that the total cost of the items was $0.18.