Question 1102183
x for Bonita
x+3 for Pamela


{{{1/x+1/(x+3)=1/5}}}

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{{{(x+3)/(x(x+3))+x/(x(x+3))=1/5}}}

{{{(x+3+x)/(x^2+3x)=1/5}}}

{{{2x+3=(x^2+3x)/5}}}

{{{10x+15=x^2+3x}}}

{{{x^2-7x-15=0}}}

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{{{x=(7+sqrt(109))/2}}}

8.72 hours for Bonita, and 11.72 hours for Pamela