public int losingGrass(double perCentGrass); 
{
	double amtGrass = 100.00;
	int nDays = 0;
	do 
	{ 
		amtGrass -= amtGrass * LOSSRATE;
		++nDays;
	} 
	while ( amtGrass > perCentGrass );
	return nDays / 7;
} // losingGrass