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professor190 [17]
3 years ago
15

UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each

additional pound. How many pounds will it take for UPS and FedEx to cost the same?
Mathematics
2 answers:
Over [174]3 years ago
7 0

Answer:

It's 20 Pounds btw.

Step-by-step explanation:

7+0.20x = 5+ 0.30x  

x- number of additional pounds

Firlakuza [10]3 years ago
6 0
20 pounds for UPS and FedEx to have the same cost
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The correct answer is:

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3 years ago
Solve the equation <br> 8x-4=2(4x-4)
Bad White [126]

Answer:

Distribute

8

−

4

=

2

(

4

−

4

)

8x-4={\color{#c92786}{2(4x-4)}}

8x−4=2(4x−4)

8

−

4

=

8

−

8

8x-4={\color{#c92786}{8x-8}}

8x−4=8x−8

2

Add

4

4

4

to both sides of the equation

8

−

4

=

8

−

8

8x-4=8x-8

8x−4=8x−8

8

−

4

+

4

=

8

−

8

+

4

8x-4+{\color{#c92786}{4}}=8x-8+{\color{#c92786}{4}}

8x−4+4=8x−8+4

3

Simplify

Add the numbers

Add the numbers

8

=

8

−

4

8x=8x-4

8x=8x−4

2 more steps

Result

0

=

−

4

0=-4

0=−4

The input is a contradiction: it has no solutions

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