Dylan works out and burns 10 calories per minute swimming and 7 calories per minute biking. he wants to burn a minimum of 600 calories. due to daylight limitations, the time dylan spends swimming must be no less than twice the time he spends biking.

The solution in the attached figure

Step-by-step explanation:

Let

x -----> the time Dylan spends swimming

y -----> the time Dylan spends biking

we know that

-----> inequality A

-----> inequality B

Solve the system by graphing

The solution is the shaded area

see the attached figure

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.