A printing company uses the formula C = 0.5x + 10 to find the cost of printing x business cards.
Which equation correctly solves the formula for x?
A) x = 2C - 20
B) x = -2C + 20
C) x = C + 10/0.5
D) x = C - 0.5/10

Question

06-04-2018
Mathematics

contestada

A printing company uses the formula C = 0.5x + 10 to find the cost of printing x business cards.
Which equation correctly solves the formula for x?
A) x = 2C - 20
B) x = -2C + 20
C) x = C + 10/0.5
D) x = C - 0.5/10

Respuesta :

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Аноним Аноним · Answer 1 · 2018-04-06T00:13:53+02:00

c = 0.5x + 10

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Switch side :
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0.5x + 10 = c

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Take away 10 from both sides :
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0.5x = c - 10

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Multiply by 2 through :
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x = 2c - 20

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Answer : x = 2c - 20 (Answer A)
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kyleraymer14 kyleraymer14 · Answer 2 · 2018-04-12T17:30:17+02:00

kyleraymer14 kyleraymer14

12-04-2018

The correct answer for USA Test prep is 2C-20 (Answer A)

Answer Link

A printing company uses the formula C = 0.5x + 10￼ to find the cost of printing x business cards. Which equation correctly solves the formula for x? A) x = 2C - 20 B) x = -2C + 20 C) x = C + 10/0.5 D) x = C - 0.5/10

Respuesta :

Otras preguntas

A printing company uses the formula C = 0.5x + 10 to find the cost of printing x business cards.
Which equation correctly solves the formula for x?
A) x = 2C - 20
B) x = -2C + 20
C) x = C + 10/0.5
D) x = C - 0.5/10