Answer:
A= -1
Step-by-step explanation:
Answer:
i know the answer it is the second one dude if i am wrong sorry
Step-by-step explanation:
Answer:
7c+21
Step-by-step explanation:
multiply 7 by c and 7 times 3
7c and 21
7c+21
Answer:
1120 grams
Step-by-step explanation:
The amount of sea water is directly proportional to the amount of salt in the water.
Let the amount of sea water be W and the amount of salt be S.
This means that:
W α S
=> W = kS
where k = constant of proportionality
2 liters of sea water contain 70 grams of salt Therefore:
2 = k * 70
k = 2 / 70 = 1/35
Therefore, for 32 liters of sea water:
32 = 1/35 * S
S = 35 * 32
S = 1120 grams
There are 1120 grams of salt in 32 liters of water.
