Chester, the dog, loves to eat treats. He has eaten twice as many today as yesterday. He has eaten a total of 15 dog treats in both days.

The equations are:

and

Step-by-step explanation:

Given

Represent bones eaten Today with T and yesterday with Y

Required

Write the equation

In the first statement, we have that:

Reading further; In the second statement

Hence, the equations are:

and

Solving further:

Substitute 2Y for  T in the second equation

Divide both sides by 4

Recall that

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