Solve this equation: $45 - ($2.75/pen)x = $12. Simplifying, we get
$33 = ($2.75)x, so that
x = $33 / ($2.75) = 12.
Tim's buying 12 pens leaves him with $12.
It is the graph shifted 6 units right
Answer: 7/45, 7/18
Step-by-step explanation:5/9 - 2/5 = 25/45 - 18/45 = 25 - 18/45 = 7/45
and 1/2 - 1/9 = 9/18 - 2/18 = 7/18
