Answer:
$4.00
Explanation:
Find how much it would cost for one slice of bread by dividing 2.40 by 6 to get .4.
So .40 cents is for 1 slice of bread. If you got 10 slices of bread (multiply 10 by .4) you would get 4.
So it costs 4 dollars for 10 slices of bread.
Hope this helps!