Respuesta :

Answer:

1.6 gallons (so if you can only buy by the gallon, 2 gallons)

Step-by-step explanation:

You divide the total area by how much a gallon covers to get the number of gallons needed.

40/25=1.6

2 Gallons if you only can only buy a full gallon at a time or 1.6 for the exact amount. (40/25)