Step-by-step explanation:
k(a) =3a+2
k(2)=3*2+2
k(2)=6+2
k(2)=8
The answer is 56! How you do this, is you take 80, and you multiply it by 7. Then you divide that answer by 10. Then you have your answer! I’m really bad at math but I do know how to do that!
The first one is -4 and the second one is 6.
Answer:
i am really not sure because i worked it out but i needed to see how they said it .
Step-by-step explanation:
Answer:
$7
Step-by-step explanation:
Your two equations are ...
Double the second equation and subtract the first:
2(2s +4t) -(4s +6t) = 2(42) -(70)
2t = 14 . . . . . simplify
t = 7 . . . . . . . divide by 2
The cost of each tie is $7.
