Answer:
Volume of the cylinder =
Step-by-step explanation:
Height(h) of the cylinder =
Radius(r) of the base=
Volume of a cylinder is:
=
As,
Putting the values in the formula:
Volume is:
The volume of the cylinder is :
Answer:
C. 1.2x
Step-by-step explanation:
He pays 1 x for his haircut, and an additional 20% on top of that, or an additional 0.2x. If you write that as an expression, you can simplify it like this:
You can also work it out by multiplying by 1.2 as stated in answer C. If his haircut costs $10, adding a 20% tip of $2 is the same as multiplying by 1.2.