Answer:
Mmmm tricky but I'll try..
take away 4 apples from the basket with 9 and place it in the one with 1 apple
then take away one apple from the one with 6 and place it in the basket with 4
And now you have 5 apples in each basket
Happy now?
Ok so x is the original price and we want to solve if the original price was 48 so x=48. When we substitute this into the equation we get 0.75(48)-0.15(0.75x48). When we simplify this expression we get 30.6. The current price is $30.60. Hope this helps.
The second one they do not have to pass trough (0,0)
