Answer:
Share of Paul = 2/8*78.40=19.6
Share of Colin = 5/8*78.40=49
And
Share of Brian =1/8*78.40=9.8
Explanation:
They share the tips in the ratio 2:5:1.
It means , the total share is 8 ,
that 2 out of 8 is the share of Paul
5 out of 8 is the share of Colin
And 1 out of 8 is the share of Brain
Now total tip = 78.40
Share of Paul = 2/8*78.40=19.6
Share of Colin = 5/8*78.40=49
And
Share of Brian =1/8*78.40=9.8