Answer:
Try useing a ruler
Step-by-step explanation:
The answer is A) 5b
Lets try an example:
Lets say we have 3 boxes in total of both board games. We can solve for b since b = 3 in the example.
= 5b
= 5(3)
= 15 dice in total
We can check our answer by adding the amount of dice per box.
2 + 3 = 5
Then multiplying by the number of boxes.
5 * 3 = 15 dice total
Answer:

Step-by-step explanation:
This system of equations is convenient, because the second equation already expresses y in terms of x. Now, you can substitute that in.

Multiplying both sides by -1 and bringing the 5 over:

Combining like terms and factoring out 5:

Factoring:

Solutions: 
Hope this helps!
1/6 is approximately 0.167