3 years ago

I-Ready

Mathematics

1 answer:

Sindrei [870]3 years ago

3 0

Answer:

Step-by-step explanation:

(f+g)(x)

f(x)= x-3, g(x)= 2x+8

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Step-by-step explanation:

Let $b$ represent the number of black printer ink cartridges sold. Let $c$ represent the number of color printer ink cartridges sold.

Set up a system of equations:

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$b+c=59\implies b=59-c$

Substitute:

$\displaystyle\\17.99(59-c)+20.99c=1,118.41\\\implies c=\boxed{19}$

$\implies b+19=59\implies b=\boxed{40}$

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