Answer: It's proportional
Step-by-step explanation: For every 0.5 Storage space (GB), you can fit 100 songs.
So 22 problems/ 30 minutes = ? problems/ 180 minutes
so you basically just convert them
and you will times 30 by 6 to get 180, so you times 22 by 6
and you will get 132 problems
so Koby can do 132 problems
It is given in the question that B is in between C and D.
Therefore

Substituting the given values of CB,BD and CD, we will get

Combining like terms, we will get

Now we need to move 4 to the right side by adding 4 to both sides, that is

Input: 4y-16+8y=-4 answer: 12y-16=-4 HERE IS YOUR ANSWER