Question

what is the decimal equivalent to 3.75%of 1600

Answer 1

1600 ×(3.75/100)

=( 16×375)/100

= 6000/100

= 60

Answer 2

1. We assume, that the number 1600 is 100% - because it's the output value of the task. 
2. We assume, that x is the value we are looking for. 
3. If 1600 is 100%, so we can write it down as 1600=100%. 
4. We know, that x is 3.75% of the output value, so we can write it down as x=3.75%. 
5. Now we have two simple equations:
1) 1600=100%
2) x=3.75%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
1600/x=100%/3.75%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 3.75% of 1600

1600/x=100/3.75
(1600/x)*x=(100/3.75)*x       - we multiply both sides of the equation by x
1600=26.666666666667*x       - we divide both sides of the equation by (26.666666666667) to get x
1600/26.666666666667=x 
60=x 
x=60

now we have: 
3.75% of 1600=60