Yu Xing paid 3.60 dollar for 2 pens after a 10 percent discount .What was the usual price of 1 pen.

2 $

Step-by-step explanation:

let the original price be x

price after 10% discount = 3.60$

The original price of 2 pens is 4$

original price of one pen = 4/ 2

= 2 $

26?

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.