Hi,

I am hoping someone out there will help me on this basic question below which has to be solved by my 10 year old daughter for her 11+. If it is possible please show simple working out.

Thanks

Dee

Question

On a bus route

The total cost of one ticket from G to J and one ticket from G to I is £1

The total cost of one ticket from G to J and one ticket from H to J is £1.20

The total cost of one ticket from G to J, one ticket from G to H, and one ticket

from I to J, is £1.30.

What is the cost of one ticket from G to J? _________