Answer:
6
Step-by-step explanation:
you first divide 81 by 18 and get 4.5, that is the number of children per adult.
next you'll divide 27 by 4.5 and 6.
that's the answer.
Answer: 19/22
Step-by-step explanation:
= 3 + 4/11 - 2 -1/2
Then, 3-2= 1
Next, 4/11 -1/2= ?
LCD of 4/11 and 1/2 and you would get this 8/22 - 11/22= 3/22
Finally, 1 - 3/22 = 19/22
*Hope this helps!
Answer:
60
Step-by-step explanation:
Use the pythagoras theorem: a²+b²=c²