Nessaboo916
27.05.2021 •
Mathematics
Shopping While shopping for clothes, Daniel spent $66 less than 3 times what Tracy spent.
Daniel spent $21. Write and solve an equation to find how much Tracy spent. Let x represent how
much Tracy spent.
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Ответ:
Step-by-step explanation:
Replace (x, y) with (1, 1) and verify if the equations are correct.
You would ignore the x and y in the equations. Testing one of each pair.
a. 3 + 2 = 3, incorrectb. 7 + 2 = 9, correctc. 8 + 1 = 7, incorrectd. 8 - 2 = 4, incorrectIt is obvious that only b. is correct.