Carl spent $200 in six days. He spent $60 on the first day. He spent the same amount of money during the next five days. a. Writ
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Multiply the first equation by 1.5, to get:
Subtract the second equation from this:
Substituting into the first equation:
Therefore, it takes 1/12 minute to print a black-and-white page, and 1/8 minute to print a colored page.
Subtract the second equation from this:
Substituting into the first equation:
Therefore, it takes 1/12 minute to print a black-and-white page, and 1/8 minute to print a colored page.