Question 157665
{{{Population=P=375000}}}
{{{Rate=R=(0.0225*375000)/year=8437.50/year}}}
{{{ProjectedPopulation=PP=1000000}}} ------------> in {{{n}}} years
Putting into equation:
{{{PP=P+R}}} -----------------------------> working eqn
{{{1000000=375000+(8437.50/cross(year))(n(cross(years)))}}}
{{{(1000000-375000)/8437.50=n}}}
{{{n=74.07407407years}}} ---------> no. of years when popul'n will be 1,000,000
Or,
{{{74years}}} and {{{(0.07407407)(cross(year))*(12months/cross(year))=0.8888months}}}
Or,
{{{74years}}} and {{{(0.8888888)(cross(month))*(30days/cross(month))=26.66666days}}}
Or,
{{{74years}}},{{{26days}}} and {{{(0.66666)(cross(day))*(24hours/cross(day))=16hours}}}
In doubt? Go back working eqn:
{{{1000000=375000+((0.0225*375000)/cross(year))((74.07407407)cross(years))}}}
{{{1000000=375000+625000}}}
{{{1000000=1000000}}}
thank you,
Jojo