Answer:
x = -22
Step-by-step explanation:
The given expression is :
-0.57x+0.27x = 6.6
We need to find the value of x.
x(-0.57+0.27) = 6.6
x(-0.3) = 6.6

So, the value of x is -22.
1 yd = 3 ft
39 ft/m = 13 yd/m
1 min = 60 sec
13 yd/60 sec = .21667 yd/sec
First, converting R percent to r a decimal
r = R/100 = 5.3%/100 = 0.053 per year.
Putting time into years for simplicity,
53 days / 360 days/year = 0.147222 years.
Solving our equation:
A = 502.45(1 + (0.053 × 0.147222)) = 506.3704997767
A = $506.37
The total amount accrued, principal plus interest, from simple interest on a principal of $502.45 at a rate of 5.3% per year for 0.147222 years (53 days) is $506.37.