Question 193321
Let  R=  #  lbs  of  raisins,,,,,@  $1.50  per  #
Let  S=  #  lbs  of  sunflower  seeds,,,,@$4.00 per  #

given,,,3R=S
given,,,,  4S+1.5R=34
4(3R) +1.5R=34
12R+1.5R=34
13.5R=34
R= 2.52  #
but,,,,3R=S=3(2.52)=7.5#
check
4(7.5)+1.5(2.52)=34
30.22+3.78=34
34=34,,,,ok