"0.5 ft * 12 = 6 inches (because there are 12 inches in 1 foot)1 day = 24 hours0.5 ft per day = 6 inches in 24 hoursInches grown in one hour = 6/24 = 0.25"
What’s this supposed to be?
Combine like terms: (Pay attention to the integer sign before each term)
-7n+-2n=-9n
6+-8=-2
-9n-2