3 years ago

2x + y = 7 -4x = 2y + 14 Is it single solution No solution or many solution

1 answer:

4 0

Answer:

Step-by-step explanation:

o no bby

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Dmitrij [34]

20/100 = 0.2

0.2 * 39.50 = 7.90

They should leave a $7.90 tip.

5/100 = 0.05

39.50 * 0.05 = 1.975 and rounds to 1.98

They should pay $1.98 in sales tax.

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3 years ago