<span>48/70=0.6857
</span><span>0.6857x100=68.57%</span>
Answer:
40 black ink cartridges and 19 colored ink cartridges
Step-by-step explanation:
Let
represent the number of black printer ink cartridges sold. Let
represent the number of color printer ink cartridges sold.
Set up a system of equations:


Substitute:


⇒ 40 black ink cartridges, 19 colored ink cartridges (ans)
The answer would be 4.5 because 5% of 90= 4.5.
Hope this helped! :)