which is the better buy? 100 erasers for $42 or 80 erasers for $32
A - Because you get 20 more erasers
A - because the unit price is better
B - Because the unit price is better
B - Because you're spending $32 dollars less
A - Because you get 20 more erasers
A - because the unit price is better
B - Because the unit price is better
B - Because you're spending $32 dollars less