Answer:
17.88
Step-by-step explanation:
18- 12/ 100=
447/24=
then simplify
Answer:
um 2 walls
Step-by-step explanation:
it would be 4/2 which = 2
Answer:
225 minutes
.................. ......... .........
Answer:
8
Step-by-step explanation:
average is calculated as
average = 
= 13 ( multiply both sides by 2 )
sum of 2 eldest = 26
Then for the 4 children
average =
=
= 8