To now the difference you just have to subtract and will give you 1.68
The sides of the frame are (12+2x) and (6+2x).
Its area A is 112.
Therefore by equating:
(12+2x)*(6+2x)=112
you can get the answer for x. You will obtain a quadratic equation you have to solve.
5 infinitely many
6. none
Answer:
0.4
Step-by-step explanation:
2/5 =0.4
The unit cost =0.4
