Question 664005
3% = 3/100 = .03
...
x = $ pre-raise
...
.03x + x = 21620
Combine x terms
1.03x = 21620
...
Isolate x
{{{(cross(1.03)x/cross(1.03)) = (21620/1.03)}}}
x = $20,990
...
Check {{{cartoon(
.03(20990),
630,
20990 + 630,
21620)}}}
.....................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
www.MyHomeworkAnswers.com