Three friends eat lunch together. if the bill comes to $21 plus 10% of tax,how much will each person owe

1 answer:

5 0

So first you have to multiply 21 by .1 to figure out ten percent
you then get 2.1
you add 21 and 2.1 together and get 23.1
then since you have 3 people you divide by 3 and get 7.7
therefor 7.7 is your answer

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