> y(1) = -5x + 3
-3. -3
> -2 = -5x
÷-5. ÷-5
= 0.4 = x
He could have wrote -2.5 or -3.
1 feet equals 12 inches
0.5 feet, therefore, is 6 inches.
but that is per day, so divide that by 24, which results in 1/4 inches per hour.
The answer you are looking for is B.) 43.