Letter C is the correct answer
Rick is 27 years old. Pretend D is David and R is Rick
D+R=81
D=2R
2R+R=81 ---> 3R=81 ---> 81/3=R R=27 3(27)=81 TRY IT!
You do Pi×Radius^2
so 24×Pi=75.4
then 75.4÷2=37.7
-- #34 is choice-C .
-- See the picture attached to this answer, for both solutions.
Answer:
66.138679
Step-by-step explanation:
1 ton = 907.185
60,000/907.185 = 66.138679
You're welcome