Question

A, B, C, D and E went to restaurant for dinner. A paid 1/2 of the bill, B paid 1/5 of the bill and rest of the bill was shared equally by C, D and E. what fraction of the bill was paid by each?

Answer 1

The bill is taken as whole so the bill is 1

A paid = 1/2
B paid = 1/5

C,D,E paid equal amounts.Let it be 'x'
Total amount fraction = 1
So A + B + C + D + E = 1/2 + 1/5 + x + x + x = 1
(5 + 2)/10 + 3x = 1
7/10 + 3x = 1
3x = 1 - 7/10
3x = 3/10
x = 1/10

So required fraction of bill paid by C,D,E each is 1/10

Hope This Helps You!

Answer 2

since the bill is taken to the whole so it is 1.
bill paid by A= 1/2
bill paid by B= 1/5
since rest of the bill I equally shared by C, D and E so
let the bill paid by C,D and E be x.
1/2+1/5+x+x+x= 1
7/10+3x=1
3x=1-7/10
3x=3/10
x=1/10
since x= bills paid by C, D and E
so the fraction of the bill paid by C,D and E is 1/10.