if she bought the shirts you have to double 3:50 which equals $7 so double 7 it is 14. So Dave spend half that amount which would be 3:50
I am not sure of the correct answer but cross multiply to find which has the bigger number and smallest to put them in order.
May you explain this question more i may be able to help you
10
9x10=90
it has to be 20 words but id k what else to say
