AN empty 5-gal water jug weighs 0.75lb. With 3 c of water inside, the jug weighs 2.25 lb. Predict the weight of the jug with 5 c of water inside.
change in weight = 2.25-.75 = 1.5 lbs
So each "c" must weight .5 lbs
Weight = .5c + .75
PLug in c = 5
(btw, what is "c" ?
go metric, young man!)
i need help
.75 multiply by 5 = 3.75 weight
To predict the weight of the jug with 5 cups of water inside, we can first calculate the weight of the water and then add it to the weight of the empty jug.
Given that the empty 5-gallon water jug weighs 0.75 pounds, we need to determine the weight of the water alone.
We are given that with 3 cups of water inside, the jug weighs 2.25 pounds. This means that the weight of the water alone is the difference between the weight of the jug with water and the weight of the empty jug:
Weight of water = Weight of jug with water - Weight of empty jug
Weight of water = 2.25 pounds - 0.75 pounds
Weight of water = 1.5 pounds
Now, to predict the weight of the jug with 5 cups of water inside, we need to add the weight of the water (1.5 pounds) to the weight of the empty jug (0.75 pounds):
Weight of jug with 5 cups of water = Weight of empty jug + Weight of water
Weight of jug with 5 cups of water = 0.75 pounds + 1.5 pounds
Weight of jug with 5 cups of water = 2.25 pounds
Therefore, the predicted weight of the jug with 5 cups of water inside is 2.25 pounds.