Question 314630
V-video
C-CD
1.{{{V+C=5}}}
2.{{{14.95*V+16.88*C=76.68}}}
From eq. 1,
{{{V=5-C}}}
Substitute in eq. 2,
{{{14.95(5-C)+16.88C=76.68}}}
{{{74.75-14.95C+16.88C=76.68}}}
{{{1.93C=1.93}}}
{{{highlight( C=1)}}}
Then from eq. 1,
{{{V+C=5}}}
{{{highlight( V=4)}}}
He bought 4 videos and 1 CD.