(Quick I'm being timed) Find the value of the variable using these steps.
0.4x + 3.9 = 5.78
1. Subtraction property of equality
2. Division property of equality

X =

The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06