For this case we have the following equation:

We want to solve the equation for the letter c.
To do this, we apply the distributive property:

Then, applying addition property of equality we have:

Then applying division property of equality we have:

Answer:
The value of c is:

<span>3318.13252 Is My Answer
</span>
1a) 399p/8 = 49.8p
49.8p to the nearest penny is 50p
Answer = 50p
1b) 279/6 = 46.5p
Answer = Yes, this is better value