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)