Question 326116
1.{{{N+P=45}}}
2.{{{5N+1P=137}}}
Subtract eq. 1 from eq. 2 to eliminate P.
{{{4N=137-45=92}}}
{{{highlight(N=23)}}}
Then from eq. 1,
{{{23+P=45}}}
{{{highlight(P=22)}}}
She has 22 pennies and 23 nickels.