Question 1066703
Total calories expended
{{{12E+10T=676}}}
Total time,
{{{E+T=60}}}
From time equation,
{{{10E+10T=600}}}
Subtract from the calorie equation,
{{{12E+10T-(10E+10T)=676-600}}}
{{{2E=76}}}
{{{E=38}}}{{{min}}}
Then,
{{{38+T=60}}}
{{{T=22}}}{{{min}}}