Afamily went out to dinner at their favorite restaurant on saturday. the bill, before tax and tip, was $136.50. a sales tax of 6% was added. the family then tipped the waiter 20% on the amount after the sales tax was added to the bill. what was the amount, in dollars, of the sales tax?

exa:

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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.

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step-by-step explanation: