There are 91 in total. Since there are 21 red cars, it would give you 21/91. Around a 23.07% chance.
Step-by-step explanation:
formula to find volume of a cylinder => V= πr²h
(22/7×(3.5)²×12)cm³
462cm³.
now the total volume of plastic used is = 462×0.2 = 92.4cm³.
hope this helps you.
24 - 16 = 8
The percent increase is 8
