8/100=4/n
400=8n
___ ____
8n. 8n
50=n
The answer is 160. There are 160 boys in the school. Take 360 divide by 9, then multiply by four.
Answer:
First option
Step-by-step explanation:
The result of first expression:
7(6+z) multiply 7 with inside the parenthesis
7(6+z) = 42 + 7z
the result of second expression:
since we need to do multiplying first,
7*6 = 42 and 7*z = 7z
then we add them
42 + 7z this is the same result we found for the first equation
Answer:
The second leg of the right triangle is about 9.4.