Answer:
108
Step-by-step explanation:
3 ft. squared is 9 ft.
9x12=108
Tommy’s class rank dropped 10 %
2.5x1.30=3.25
4x4.50=18
2x3.75=7.5
3.25+18+7.5=$28.75 total price
2.5+4+2=8.5lb. total weight
28.75/8.5= 3.38 dollars per pound.
You can complete this by solving:

Which should give you .274418 or 27.44%
J=amount Jake has; F=amount Fred has=2J
J+F=$54
J+2J=$54
3J=$54
J=$18
ANSWER 1: Jake has $18.
F=2J=2($18)=$36 ANSWER 2: Fred has $36.