Real-Life Math -- Solution
Here is the solution:
Department of Health
152
students x $75 = $11,400
Subtract 10 percent discount: $1,140
Total
after discount = $10,260
Subtract 15 percent discount: 1,539
Total
amount to be billed = $8,721
Department of Transportation
28
students x $75.00 = $2,100
Subtract 10 percent discount: $210
Total
after discount = $1,890
Subtract 15 percent discount: $283.50
Total
amount to be billed = $1,606.50
ACME Accounting
Services
56 students x $75 = $4,200
Subtract
15 percent discount: $630
Total after discount = $3,570
Add state
tax: $249.90
Add federal tax: $249.90
Amount to be billed =
$4,069.80
Department of Social Services
73
students x $75.00 = $5,475
Subtract 10 percent discount: $547.50
Total
after discount = $4,927.50
Subtract 15 percent discount: $739.13
Amount
to be billed = $4,188.37
Pipelines Incorporated
17
students x $75 = $1,275
Add state tax: $89.25
Add federal
tax: $89.25
Amount to be billed = $1,453.50
Zorro's
Grocery Mart
23 students x $75 = $1,725
Add
state tax: $120.75
Add federal tax: $120.75
Amount to be billed
= $1,966.50
Department of Energy
69
students x $75 = $5,175
Subtract 10 percent discount: $517.50
Total
after discount = $4,657.50
Subtract 15 percent discount: $698.63
Amount
to be billed = $3,958.87
"I have gotten by with
arithmetic and basic math," says software trainer Michael Shumko. "I have
not needed trig, calculus, etc. for the types of products that I have trained
on.
"I have been warned to stop trying to do expense reports without
a calculator," Shumko adds with a laugh.