(Poor kitty needs help lol)

Insulin comes in 10 cubic centimeter (cc) vials labeled in the number of units of insulin per cubic centimeter of fluid. A vial marked U40 has 40 units of insulin per cubic centimeter of fluid. If a patient needs 33 units of insulin, how much fluid should be drawn into the syringe from the U40 vial?

The amount of fluid containing 33 units of insulin is ___ cc.

(Type an integer or a decimal.)

Thanks in advance for your service in breaking this down, so that I may understand its computation.