b = 3
Step-by-step explanation:

Add similar terms :

Collect like terms and simplify

Answer:
B
Step-by-step explanation:
Isolate a
f = m × a
divide m from both sides
f/m = a
Answer:
$2540
Step-by-step explanation:
Given parameters:
Base salary of Pedro = $1500
Amount of commission on sales = 4%
Sales = $26000
Unknown:
His total salary including base salary and commission = ?
Solution:
His total salary;
Total salary = Base Salary + (percent on commission x sales)
Total salary = $1500 + (
x $26000)
Total salary = $1500 + $1040
Total salary = $2540
Answer:
Train got a raise of 16%
Step-by-step explanation:
To find this, start by taking the equation for percent change
(New - Old)/Old * 100 = % Change
Now plug in known values
(580 - 500)/(500) * 100 = % change
80/500 * 100 = % change
.16 * 100 = % change
16 = % change