Answer:
it the first choice you ate three chocolate independently
81 inches converted to feet is 6.75 feet
Easy, 2:59 would be the start time.
5*(n-2) = 29
5n-10=29 (distributive property)
5n-10+10=29+10 (do operations to both sides to isolate variable)
5n/5 = 39/5 (further isolate)
n = 7.8 (answer)
Your number is 7.8.
16 oz is 1 pound so 32 oz is 2 lbs and you have a leftover of 8 so put that over 16 so the answer is 2 1/2