First find the difference.
160-40=120.
Now find the increase percentage:
120/40=3
It increased 300%.
Answer:
C - 256
Step-by-step explanation:
256 / 16 = 16.
20+6+10+6
30+12
which equals 42
Answer:
post the whole thing
Step-by-step explanation:
then ill do it
Answer:
Hi
Step-by-step explanation:
I am just reply to see if i really understand that problem
Let's assume s the present age of the son, and f the present age of the father.
The age of the son After 10 years is equal to the age of the father before 20 years:
s+10=f+10-20
f=3s
=> s+10=f-10
=> s+10=3s-10
=> 2s=20
=> s=10 and f=30