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dybincka [34]
3 years ago
9

It takes a printer 2 1/2 min to print 24 black-and-white pages and 4 color pages. It takes the same printer 3 1/4 min to print 3

0 black-and-white pages and 6 color pages. Let b represent the time in minutes needed to print a black-and-white page and c represent the time in minutes needed to print a color page.The shown system represents the given problem.
24b+4c=2 1/2
30b+6c=31/4
Solve the system to complete the statement.

It takes the printer min to print a black–and–white page and min to print a color page.
Mathematics
2 answers:
Paul [167]3 years ago
4 0
Multiply the first equation by 1.5, to get:
(1.5)(24b + 4c) = 1.5(2.5)
36b + 6c = 3.75
Subtract the second equation from this:
6b = 1/2
b = 1/12
Substituting into the first equation:
24b + 4c = 2.5
24*(1/12) + 4c = 2.5
2 + 4c = 2.5
4c = 0.5
c = 1/8
Therefore, it takes 1/12 minute to print a black-and-white page, and 1/8 minute to print a colored page.
snow_tiger [21]3 years ago
3 0

Answer:

1/12

1/8

Step-by-step explanation:

E2020 :))))))

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