12. 18g+80
13. 13x+13
14. 17s
15. 3t
Step-by-step explanation:
On each you just combine the like terms and simplify the equations.
(Add/subtract all of the common numbers)
you would have to sell 24 bracelets.
step-by-step explanation:
84/3.5 = 24
this is answer of 144 cubic meters