The awnser would be f(x) = 2x2 -4x +4
Answer:
Step-by-step explanation:
let 25 % copper=x kg
75 % copper=(100-x) kg
0.25 x+(100-x)*0.75=100*0.61
25x+7500-75 x=6100
-50 x=-1400
50 x=1400
5x=140
x=28
25 % of Copper=28 kg
75 % of Copper=100-28=72 kg
Answer:
I think it's 12
Step-by-step explanation:
Plan A.$99
Plan B. $520
0.20*1750+1700*0.1
=350+170
=520
It would be 28. because the 3 is lower than 5.
