Question 1174521
Angela, 1 job in 3 hours, {{{1/3}}}
Franklin+Angela, {{{1/(48/60)=60/48=30/24=15/12=5/4}}}, JOBS/HOURS



{{{1/3+1/h=5/4}}}

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{{{12(1/3+1/h)=12(5/4)}}}

{{{4+12/h=15}}}

{{{12/h=11}}}

{{{h/12=1/11}}}

{{{h=12/11}}}

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{{{m=(12/11)*60}}}
about 65.5 minutes, Franklin by himself