If you divide 8 by 5 you should get 1.6
Given:
Diameter of the hole = 30 cm
To find:
The area of the hole.
Solution:
The radius of a circle is always half of the diameter. It is given that the diameter of the hole is 30 cm. So, the radius of the hole is:


Area of a circle is:

Putting
and
in the above formula, we get



Therefore, the area of the hold is 706.5 square cm.
Answer:
she used for two times
so 2.35*2=4.7
her account balance charges for 4.7
1/2 and 1/3 1/4. Is the answer I automatically thought of