Mr. Jones is shopping for new appliances at a store. All appliances are on sale for 10% off.
Sales tax is 7%.
Which expression could Mr. Jones use to calculate the total cost of any
appliance, x?

HINT: Find the cost of the item if the original price is $100. Then Let x=100 and see which choice will give you the correct price.

this was already solved by me with a different person. if you look it up in the search bar at the top of the page, you will get the answer.

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.