2. Put the question into a calculator. Really easy when you know how.
Answer:
10 hours
Step-by-step explanation:
Find the unit rate by dividing kilograms/hours. 16 kilograms in 8 hours is 16/8=2 kg per hour. If 20 kilograms, then divide 20 by the unit rate 2.
20kg/2kg per hour = 10 hours
Answer:
99
Step-by-step explanation:
5x^2 -4x -9
5(-2)^2 -4(-2) -9
-10^2 +8 -9
100-1
99
Answer:1/4 hour remaining
Step-by-step explanation:
Presenter 1 - 1/3 hour
Presenter 2 - 1/6 hour
Presenter 3 - 1/4 hour
Convert to least common denominator of 12
4/12 + 2/12 + 3/12 = 9/12
12/12 - 9/12 = 3/12
Reduce 3/12 to get 1/4 hour remaining
Answer:
I would say it is 9
Step-by-step explanation: