Misha wants to spend some time playing guitar in uses the computer before dinner dinner will be ready in 45 minutes or less he wants to spend at least 15 minutes playing guitar which graph represents the amount of time misha can spend playing guitar and use the computer

Step-by-step explanation:

Choices are attached.

According to the problem, the total time restriction is 45 minutes, because dinner will be ready in 45 minutes or less, this means that the area of solution must be under 45.

Addiotionally, he want to play guitar for at least 15 minutes, this means that the area of solution values more than x = 15.

If we apply these restriction, we would find the the solution is graph B, because the shaded area is under the 45-line and after the vertical line which expresses guitar time.

Therefore, the right answer is B.