You can't round 125 cause 125 it's all ready rounded
Answer:
sum of ratio =3+2=5
David'share=£9900x3/5=£5940
Sum of ratio for part= 4+4+2=10
for himself=£5940x4/10=£2376
for wife=£5940x4/10=£2376
for son=£5940x2/10=£1188
his wife gets over son
£2376-£1188=£1188
Answer:


Step-by-step explanation:
Given



Required
Find a and b
In
,
and 
This gives:


Divide by 6

In
.
and 
This gives:


Substitute 2 for a


Collect Like Terms


Divide by 2

It would be: A 2 radical 5