Answer:
1.5 seconds
Step-by-step explanation:
i took a test with the same question
Answer: to make 78 copies it cost 26 dollars.
Step-by-step explanation:
18 copies - 6 dollars
78 copies - x dollars
Hence,

Answer:
<h3>
x = 1/2</h3>
Step-by-step explanation:
-3x + 1 + 10x = x + 4
-1 -1
7x = x + 3
-x -x
6x = 3
÷6 ÷6
x = 1/2
Answer:
$0.75
Step-by-step explanation:
28.50-24=$4.50
4.50/6=$0.75
1/6 is the simplest form for the fraction 5/30.