27
Multiply 10 and 3 because thats how much each book is worth.
Then divide 810 by 30
The answer is 27
Step-by-step explanation:
<u>Step 1: Find the reasonable estimate</u>
<u />


The closest number to 28 out of the option is 30. Therefore, the correct option is D.
Answer: Option D
Answer:
34 inches
Step-by-step explanation:
Area is base times height time half
Then plug in the values: 136= 0.5 x 8x
Then solve for x