Answer:
42
Step-by-step explanation:
Answer:
60%
Because the reaming percent has to add up to 100. 60 plus 40 is 100
Since the variable x has an invisible one next to it, which is 1x, it is 6x.
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.