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Ronch [10]
4 years ago
13

Estimate an 18% tip for a $30.80 meal. A. $5.50 B. $9.10 C. $3.08 D. $1.80

Mathematics
1 answer:
kaheart [24]4 years ago
3 0

Answer:

A

Step-by-step explanation:

18%=18/100=0.18

0.18*30.80=5.544 or about $5.50. Hope this helps!

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Find the x value 4x-28 9x
andriy [413]

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Step-by-step explanation:

Simplifying

(4x + -28) = 9x

Reorder the terms:

(-28 + 4x) = 9x

Remove parenthesis around (-28 + 4x)

-28 + 4x = 9x

Solving

-28 + 4x = 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.

-28 + 4x + -9x = 9x + -9x

Combine like terms: 4x + -9x = -5x

-28 + -5x = 9x + -9x

Combine like terms: 9x + -9x = 0

-28 + -5x = 0

Add '28' to each side of the equation.

-28 + 28 + -5x = 0 + 28

Combine like terms: -28 + 28 = 0

0 + -5x = 0 + 28

-5x = 0 + 28

Combine like terms: 0 + 28 = 28

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Divide each side by '-5'.

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Simplifying

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3 years ago
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