Question 1154039
t, turkey sandwich price
f, french fries price


{{{system(4t+7f=23.4,5t+5f=24.75)}}}
Simplify or solve any way you want or need.  


You could first simplify the second equation:
{{{system(4t+7f=23.4,t+f=4.95)}}}
From here, if you multiply the second equation by 4, then,.......