Multiply 9 books by 55% by doing
9 x .55 = 4.95
We can't have 4.95 books, though so it rounds down to 4 because you can't just add another .05.
Answer: 14cm
Step-by-step explanation:
The diameter of a circle is twice the radius.
Therefore, the diameter = 2*7 cm = 14cm
40 because 3+6+12 = 21 and 8+11+21 =40
You can tell that a fraction is a unit fraction when it is over a unit of one. This is also known as unit rate.
