Question

Please help

Answer 1

Between emma and dave, we have 7/10ths of the money

3x + 2x = 7/10

5x = 7/10

x=(7/10)/5

x= 14/100

Dave will get 28/100 or 7/25ths

Check : 30/100      Colin
            42/100      Emma 
         + 28/100     Dave
           -----------
           100/00