This is a word problem signifying an algebraic expression.
Translating this to mathematics:

add 4 to both sides.
divide 16 to both sides.
this is:
Answer:
c/d = 6
Step-by-step explanation:
Use the second equation.
c - 6d = 0
Add 6d to both sides.
c = 6d
Divide both sides by d.
c/d = 6
Answer:

Step-by-step explanation:
From the question we are told that:
Radius 
Coupler 
Generally the equation for Stroke in a slider-crank Mechanism x is mathematically given by



Answer:
750
Step-by-step explanation:
because if the has 650 students and it is the greatest number
I took the test and the answer was
-5