zesk
02.08.2019 •
Mathematics
Ms. albero decided to make juice to serve along with the pizza at the student government party. the directions said to mix 2 scoops of powdered drink mix with a half gallon of water to make each pitcher of juice. one of ms. albero’s students said she will mix 8 scoops with 2 gallons of water to make 4 pitchers. how can you use the concept of proportual relationship to decide whether the student is correct?
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Ответ:
4 scoops of powered drink mix = 1 gallon of water
6 scoops of powered drink mix = 1 1/2 gallon of water
8 scoops of powered drink mix = 2 gallons of water
For every 2 scoops you add, you also add a 1/2 gallon of water to it.
Ответ:
The student is correct.
Step-by-step explanation:
Consider the provided information.
The directions said to mix 2 scoops of powdered drink mix with a half gallon of water to make each pitcher of juice.
This can be written as:
2 scoops = 1/2 gallons of water
Multiply both side by 2
2×2 scoops = 2×1/2 gallons of water
4 scoops = 1 gallons of water
That means Ms. Albero wants 4 scoops for each gallons of water.
Albero’s students said she will mix 8 scoops with 2 gallons of water to make 4 pitchers.
This can be written as:
8 scoops = 2 gallons of water
Divide both side by 2.
8/2 scoops = 2/2 gallons of water
4 scoops = 1 gallons of water
That means Albero’s students used 4 scoops for each gallons of water, which is the same quantity of scoops per gallons as suggested by the Ms. Albero.
Hence, the student is correct.
Ответ:
domain is (-∞,∞) and the range is [-7,∞)
Step-by-step explanation:
the guy who answered the question was wrong and i had to point it out