Question 1122954
A=lower and B=upper
A=B=712  Count equation
9.50A+8B= 6239 Money equation 
-8A-8B=-5696
1.5A=543
A=(2/3)543=362 @ 9.50=$3439
B=712-362=350 @ 8=$2800
add to $6239
362 of lower and 350 of upper