Just compare fractions.
$5.25/x = 8.5/100
Then multiple both sides by 100 and both sides by x;
525 = 8.5x
Divide both sides by 8.5
x ≈ $61.77
<span>A common factor is a factor of 2 or more numbers.
the factors of 12 are: 1,2,3,4,6,12
the factors of 21 are: 1,3,7,21
1 and 3 are both common factors of 12 and 21.</span>
Answer:
1st solution is -2x+12
2nd solution is 5x+31
3rd one doesnt have a solution
Step-by-step explanation: