Marcia dissolved 1 kg of salt in 3 litres of water.
Bobby dissolves 2 pounds of salt in 7 pints of water
2.11 pints = 1 litre
7 pints = 7/2.11
= 3.32 litre
1 pound =0.45 kg
2 pound = o.45*2 kg
= 0.9 kg
So we find that Bobby is dissolving 0.9kg of salt in 3.32 litre of water
Marcia is dissolving 1 kg of salt in 3 litres of water.
So she had one Board and she cut it in two parts. I part is 1 7/8 feet long and the other part is 3 1/2 feet long
Answer:
(x – 7)² – 9
Step-by-step explanation:
I hope this helps
Answer:
The answer is option A
Step-by-step explanation:

Can be written as

Hope this helps you
Answer:
6x^2-6
Step-by-step explanation: algebra