Question 259664
1.{{{E+I=47}}}
2.{{{I=3*E-5}}}
Substitute eq. 2 in eq. 1 and solve for E.
{{{E+I=47}}}
{{{E+3E-5=47}}}
{{{4E=52}}}
{{{E=13}}}
Then from eq. 2,
{{{I=3E-5=39-5=34}}}
Ira is 34 and Elisa is 13.