Respuesta :
If we know that 3/40 of the water evaporates, then 37/40 of the water is left.
We multiply this ratio by the original amount of water to get the remaining water.
15 gallons * 37/40 = 13.875 gallons left
We multiply this ratio by the original amount of water to get the remaining water.
15 gallons * 37/40 = 13.875 gallons left