Answer:
EF/IH and AD
Step-by-step explanation:
diameter is 2x radius
Set up a proportion: 3/10= x/80. Then if you multiply 10 by 8, you get 80 on both sides, But, If you do it to the top, you also have to do it to the bottom, so the anser is 3 x 8 , or 24.
If he mass is 10 then the volume is 100
Let June's age be

Then his father is

The sum of their ages is no less than 77 means,



The youngest age June can be is 11