Three times the radius means
5 units less than this means that you have to subtract 5 from this quantity, and you have
h------> the height of the cylinder
r------> the radius of the base of cylinder
we know that
The algebraic expression of the phrase " The height of a cylinder is 5 units less than 3 times its radius" is equal to
h = height
r = radius
3r = 3 times it's radius
5 units less means subtract so
H = 3 r - 5 .
Given : The height ,H of a cylinder is 5 units less than 3 times the radius, r.
To find : What is an expression that can represent .
Solution : we have given that
The height ,H of a cylinder is 5 units less than
3 times of radius = 3 *r
H = 3 r - 5 ( negative sign for less than )
Therefore, H = 3 r - 5 .
3r - 5 (expression)
H = 3r − 5
i believe the correct answer is b.